4520-01-172-0523 Heater,duct type,stationary
One item DLA buys: its open requests for quotation, approved sources and past DLA awards.
Overview
National Stock Number record
- Open RFQs
- 1
- Next due November 20, 2026
- Last price paid
- …
- Standard price
- $8,119.64 per EA
- DLA's catalog price, not a price paid
- Approved sources
- 0
- Awards on record
- 18
- 2015 to 2025
- DLA stock on hand
- 2
- as of Sep 2026; no DLA demand forecast
Identification
- Item name
- Heater,duct type,stationary
- NSG (group)
- 45 · Plumbing, heating, waste disposal
- NIIN assigned
- 15-FEB-84
- Unit
- EA (Each)
- NSN
- 4520-01-172-0523
- NIIN
- 01-172-0523
Name, end product, NIIN date and unit: DLA's Federal Logistics Information System (PUB LOG). Source: the request-for-quotation (RFQ) files DLA publishes on DIBBS each day. An RFQ that is also a SAM.gov notice links to that notice. Return-by dates are DIBBS's.
Approved suppliers
Manufacturers and part numbers DLA has qualified for this item, and the part numbers in its catalog record
| Supplier | CAGE | CAGE status | Part status (RNCC / RNVC) | Supplier part # | Listed in |
|---|---|---|---|---|---|
| 65586 | A (Active) | 3 (Design control reference) / 2 (An item-identifying number) | 106-056816-042 | FLIS part list | |
| 81349 | A (Active) | 4 (Non-definitive U.S. government specification or standard reference) / 1 (Not identify an item of production without the use of additional information) | MIL-PRF-22594 | FLIS part list | |
| 17032 | A (Active) | 5 (Secondary reference) / 2 (An item-identifying number) | EH33-H | FLIS part list | |
| INDEECO LLCWon before | 74924 | A (Active) | 5 (Secondary reference) / 2 (An item-identifying number) | TFZ-33H | FLIS part list |
| 81349 | A (Active) | 5 (Secondary reference) / 9 (Was the design control reference) | MIL-H-22594 | FLIS part list | |
| 65586 | A (Active) | D (Drawing number reference) / 9 (Was the design control reference) | 106-056816-000 | FLIS part list | |
| INDEECO LLCWon before | 74924 | A (Active) | D (Drawing number reference) / 9 (Was the design control reference) | 210-19709-41 | FLIS part list |
Source: DLA's approved-source file published with the RFQs and the part list of DLA's catalog record (FLIS). CAGE and part status are FLIS's codes with DLA's wording.
Pricing and awardees
Characteristics
Government-defined characteristics of this item (FLIS)
Hazardous and environmental
- Hazardous material (HMIC)
- N (No data in hmirs)
Additional identifiers
- II
- 0
- DEMIL
- A: No demilitarization required
- Precious metals (PMIC)
- A (Does not contain precious metal)
- Schedule B
- 7322900000
- PINC
- 0017014
- Criticality (CRIT CD)
- X
- On FedMall
- Yes
Source: DLA's PUB LOG files (FLIS Data Electronic Reading Room), updated monthly; code wording from DLA's code table (P_HELP).
Major organizational entity (MOE) rules
How each service or agency buys and manages this item
| Rule | MOE | AMC | AMSC | NIMSC | IMC | AAC | DSOR |
|---|---|---|---|---|---|---|---|
| N9BZ | Navy (DN) | 1Suitable for competition (second or later time) | GGovernment has the technical data and rights, no restriction | Z |
Source: DLA's PUB LOG files (FLIS Data Electronic Reading Room), updated monthly; code wording from DLA's code table (P_HELP). AMC and AMSC wording: DFARS PGI 217.7506. Hover a code for DLA's wording.
Government organizations
The services and agencies that manage or use this item
| Organization | Effective date | Unit of issue | Unit price | Qty per unit | Controlled inventory | Shelf life | Acquisition advice | Source of supply |
|---|---|---|---|---|---|---|---|---|
| Navy (DN) | 01-OCT-2026 | EA (Each) | $8,119.64 | 1 (1) | U (Unclassified) | No limit | Z (Insurance/numeric stockage objective) | SMS (Defense logistics agency) |
| DLA (DS) | 01-OCT-2026 | EA (Each) | $8,119.64 | 1 (1) | U (Unclassified) | No limit | Z (Insurance/numeric stockage objective) | SMS (Defense logistics agency) |
Source: DLA's PUB LOG files (FLIS Data Electronic Reading Room), updated monthly; code wording from DLA's code table (P_HELP). Unit prices are DLA's standard prices (its catalog price to its customers, with DLA's surcharge), not prices DLA paid.
DIBBS RFQs
Recent DLA requests for quotation for this item on DIBBS, newest first: 1 open now
| Solicitation | NSN | Item name | Qty | Unit | Std. price | Last price | Est. value | Set-aside | Tech docs | Posted | Return by |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SPE8E827T0498Also a SAM.gov notice | 4520-01-172-0523 | Heater,duct type,stationary | 4 | EA | $8,119.64 per EA | … | … | HUBZone | Yes | November 9, 2026 | November 20, 20267 days left |
→ These RFQs in the DIBBS list
Source: the request-for-quotation (RFQ) files DLA publishes on DIBBS each day. An RFQ that is also a SAM.gov notice links to that notice. Return-by dates are DIBBS's.
DLA stock on hand
As of September 2026
DLA's own inventory
- On hand
- 2
- On back order
- –
- Reorder point
- 1.1Above the reorder point
- Condition
- A (serviceable, issuable without qualification)
- On hand
- On back order
- Reorder point
By month
| Month | NSN | Stock on hand | Reorder point |
|---|---|---|---|
| September 2026 | 4520-01-172-0523 | 2 | 1.1 |
| August 2026 | 4520-01-172-0523 | 2 | 1.1 |
| July 2026 | 4520-01-172-0523 | 3 | 1.1 |
| June 2026 | 4520-01-172-0523 | 3 | 1.1 |
| May 2026 | 4520-01-172-0523 | 4 | 1.1 |
| April 2026 | 4520-01-172-0523 | 4 | 1.1 |
| March 2026 | 4520-01-172-0523 | 5 | 1.1 |
| February 2026 | 4520-01-172-0523 | 5 | 1.1 |
Source: DLA's monthly on-hand, back-order and reorder-point files (DLA FOIA reading room), each month as of its last day. DLA's own inventory, not a purchase: stock near or under the reorder point, or back orders, usually come before a buy.
DLA award history
18 award lines since 2015, 12 winning CAGEs
| Winner | Awards | Last award |
|---|---|---|
| 0ZQR5YARO SUPPLY CO | 4 | June 21, 2018 |
| 0REY5APEX PINNACLE CORP | 3 | October 3, 2022 |
| 61LP1Shoreline Aerospace LLC | 2 | January 5, 2017 |
| 8MJ18SAMIT LLC | 1 | October 28, 2025 |
| 7DWH2PAR DEFENSE INDUSTRIES, LLC | 1 | January 16, 2025 |
| 53037H C MERCHANDISERS, INC. | 1 | December 12, 2022 |
| 3WGD1STATZ CORP | 1 | April 25, 2022 |
| 8HBL2AIRBORNE SUPPLY INC. | 1 | August 18, 2021 |
| 7BUL6GLOBAL LOGISTICS STRATEGIES INC. | 1 | May 27, 2021 |
| 74924INDEECO LLC | 1 | July 24, 2020 |
| 6USQ9ARROWHEAD GLOBAL LLC | 1 | October 7, 2019 |
| 2U435DELA TECHNOLOGY CORPORATION | 1 | December 31, 2018 |
| Year | Awards | Winning CAGEs |
|---|---|---|
| 2025 | 2 | 2 |
| 2022 | 4 | 3 |
| 2021 | 3 | 3 |
| 2020 | 1 | 1 |
| 2019 | 1 | 1 |
| 2018 | 3 | 2 |
| 2017 | 1 | 1 |
| 2016 | 1 | 1 |
| 2015 | 2 | 1 |
Source: DLA's award history files (its FOIA reading room: every DLA award line since 2013, refreshed monthly), plus the past awards listed in this item's RFQ documents that those files lack. Counts are award lines, not dollars; surplus buys are left out.
DLA awards for this item
18 awards from the item's award history, in FPDS
| Rank | Vendor | Obligated | |
|---|---|---|---|
| 1 | APEX PINNACLE CORP | $60,835 | 3 |
| 2 | SHORELINE AEROSPACE LLC | $46,001 | 2 |
| 3 | SAMIT LLC | $34,729 | 1 |
| 4 | HC MERCHANDISERS, INC. | $30,887 | 1 |
| 5 | YARO SUPPLY CO | $28,328 | 4 |
| 6 | PAR DEFENSE INDUSTRIES, LLC | $27,359 | 1 |
| 7 | AIRBORNE SUPPLY INC. | $25,139 | 1 |
| 8 | STATZ CORP | $21,587 | 1 |
| 9 | GLOBAL LOGISTICS STRATEGIES INC. | $20,850 | 1 |
| 10 | ARROWHEAD GLOBAL LLC | $14,994 | 1 |
| Contract | Awarded | Awardee | Obligated |
|---|---|---|---|
| SPE8E926P0123From the item's award history | October 28, 2025 | SAMIT LLC | $34,729 |
| SPE8E825V0481From the item's award history | January 16, 2025 | PAR DEFENSE INDUSTRIES, LLC | $27,359 |
| SPE8E823V0398From the item's award history | December 12, 2022 | HC MERCHANDISERS, INC. | $30,887 |
| SPE8E823V0016From the item's award history | October 3, 2022 | APEX PINNACLE CORP | $23,608 |
| SPE8E922V1602From the item's award history | May 24, 2022 | APEX PINNACLE CORP | $17,090 |
| SPE8E722P0795From the item's award history | April 25, 2022 | STATZ CORP | $21,587 |
| SPE8E921P1468From the item's award history | August 18, 2021 | AIRBORNE SUPPLY INC. | $25,139 |
| SPE8E821P0594From the item's award history | May 27, 2021 | GLOBAL LOGISTICS STRATEGIES INC. | $20,850 |
| SPE8E821V0808From the item's award history | January 5, 2021 | APEX PINNACLE CORP | $20,138 |
| SPE7M020P3997From the item's award history | July 24, 2020 | INDEECO LLC | $6,330 |
| SPE8E820V0063From the item's award history | October 7, 2019 | ARROWHEAD GLOBAL LLC | $14,994 |
| SPE8E819V0771From the item's award history | December 31, 2018 | DELA TECHNOLOGY CORPORATION | $9,620 |
| SPE8E818V2310From the item's award history | June 21, 2018 | YARO SUPPLY CO | $12,804 |
| SPE8E818V1881From the item's award history | May 7, 2018 | YARO SUPPLY CO | $5,048 |
| SPE8E817P0123From the item's award history | January 5, 2017 | SHORELINE AEROSPACE LLC | $30,120 |
| SPE8E816V0496From the item's award history | January 12, 2016 | SHORELINE AEROSPACE LLC | $15,881 |
| SPE7M015M4997From the item's award history | August 4, 2015 | YARO SUPPLY CO | $5,348 |
| SPE7M015M3910From the item's award history | May 21, 2015 | YARO SUPPLY CO | $5,128 |
Showing 1 to 10 of 18 results
Source: DLA award notices on SAM.gov for solicitations that included this item (DLA posts them above $25,000), and the contracts of this item's past DLA awards (DLA's award history files and the RFQs' procurement history), joined to FPDS by contract number (an order under a long-term contract by the order and its contract). Amounts are FPDS obligations; DIBBS order totals are not shown. Department of Defense actions appear in FPDS about 90 days after they are signed.