4820-00-528-2835 Valve,safety relief
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 16, 2026
- Last price paid
- …
- Standard price
- $14,351.87 per EA
- DLA's catalog price, not a price paid
- Approved sources
- 3
- Awards on record
- 15
- 2013 to 2026
- DLA stock on hand
- 6
- as of Sep 2026; no DLA demand forecast
Identification
- Item name
- Valve,safety relief
- FSC / PSC
- 4820 · Valves, nonpowered
- NSG (group)
- 48 · Valves
- NIIN assigned
- 01-JAN-63
- Unit
- EA (Each)
- NSN
- 4820-00-528-2835
- NIIN
- 00-528-2835
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 suppliers DLA has qualified for this item
| Supplier | CAGE | CAGE status | Part status (RNCC / RNVC) | Supplier part # |
|---|---|---|---|---|
| NATIONAL MACHINE COMPANY | 6L817 | A (Active) | 5 (Secondary reference) / 2 (An item-identifying number) | M9029DCD002 |
| THE BOEING COMPANY | 81205 | A (Active) | 5 (Secondary reference) / 2 (An item-identifying number) | 10-3000-14 |
| HYDRO-AIRE AEROSPACE CORPWon before | 81982 | A (Active) | 3 (Design control reference) / 2 (An item-identifying number) | A50070Z6 |
Source: DLA's approved-source file published with the RFQs. 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
- M
- DEMIL
- A: No demilitarization required
- Precious metals (PMIC)
- U (Type/content is unknown)
- Schedule B
- 8481400000 (Safety or relief valves)
- PINC
- 0005488
- Criticality (CRIT CD)
- X
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 |
|---|---|---|---|---|---|---|---|
| FXGC | Air Force (DF) | 1Suitable for competition (second or later time) | CEngineering source approval required | Z | |||
| YJ01 | Singapore (YJ) | ||||||
| ZW01 | Turkey (ZW) |
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 |
|---|---|---|---|---|---|---|---|---|
| Air Force (DF) | 01-OCT-2026 | EA (Each) | $14,351.87 | 1 (1) | U (Unclassified) | No limit | Z (Insurance/numeric stockage objective) | SMS (Defense logistics agency) |
| DLA (DS) | 01-OCT-2026 | EA (Each) | $14,351.87 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SPE7MC27T1530Also a SAM.gov notice | 4820-00-528-2835 | Valve,safety relief | 10 | EA | $14,351.87 per EA | … | … | Small business | No | November 5, 2026 | November 16, 20263 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
- 6
- On back order
- 0
- Reorder point
- 7.1At or under 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 | 4820-00-528-2835 | 6 | 7.1 |
| August 2026 | 4820-00-528-2835 | 7 | 7.1 |
| July 2026 | 4820-00-528-2835 | 8 | 7.1 |
| June 2026 | 4820-00-528-2835 | 10 | 8.1 |
| May 2026 | 4820-00-528-2835 | 10 | 8.1 |
| April 2026 | 4820-00-528-2835 | 2 | 8.1 |
| March 2026 | 4820-00-528-2835 | 2 | 5.1 |
| February 2026 | 4820-00-528-2835 | 6 | 5.1 |
| January 2026 | 4820-00-528-2835 | 9 | 5.1 |
| December 2025 | 4820-00-528-2835 | 10 | 5.1 |
| November 2025 | 4820-00-528-2835 | 9 | 5.1 |
| October 2025 | 4820-00-528-2835 | 9 | 5.1 |
| September 2025 | 4820-00-528-2835 | 12 | 4.1 |
Showing 1 to 10 of 13 results
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
15 award lines since 2013, 5 winning CAGEs
| Winner | Awards | Last award |
|---|---|---|
| 81982HYDRO-AIRE AEROSPACE CORP | 8 | April 30, 2020 |
| 27541TRANSAERO, INC. | 4 | April 20, 2026 |
| 17T81 | 1 | September 23, 2026 |
| 33TC6PINNACLE RESEARCH AND AVIATION, LLC | 1 | April 28, 2017 |
| 6DNG3IBP CONSULTING, INC. | 1 | June 16, 2014 |
| Year | Awards | Winning CAGEs |
|---|---|---|
| 2026 | 2 | 2 |
| 2022 | 2 | 1 |
| 2021 | 1 | 1 |
| 2020 | 1 | 1 |
| 2019 | 1 | 1 |
| 2018 | 1 | 1 |
| 2017 | 2 | 2 |
| 2016 | 2 | 1 |
| 2015 | 1 | 1 |
| 2014 | 1 | 1 |
| 2013 | 1 | 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
13 awards from the item's award history, in FPDS
| Rank | Vendor | Obligated | |
|---|---|---|---|
| 1 | HYDRO-AIRE AEROSPACE CORP | $603,325 | 8 |
| 2 | TRANSAERO, INC. | $306,348 | 4 |
| 3 | PINNACLE RESEARCH AND AVIATION, LLC | $60,000 | 1 |
| Contract | Awarded | Awardee | Obligated |
|---|---|---|---|
| SPE7MC26V2149From the item's award history | April 20, 2026 | TRANSAERO, INC. | $85,498 |
| SPE7M122F567DFrom the item's award history | June 30, 2022 | TRANSAERO, INC. | $69,950 |
| SPE7M122F355GFrom the item's award history | April 8, 2022 | TRANSAERO, INC. | $72,950 |
| SPE7MC21V8403From the item's award history | June 2, 2021 | TRANSAERO, INC. | $77,950 |
| SPE7M020F0154From the item's award history | April 30, 2020 | HYDRO-AIRE AEROSPACE CORP | $79,650 |
| SPE7MC19V7962From the item's award history | May 13, 2019 | HYDRO-AIRE AEROSPACE CORP | $76,960 |
| SPE7MC18P2470From the item's award history | February 7, 2018 | HYDRO-AIRE AEROSPACE CORP | $107,775 |
| SPE7M018V1905From the item's award history | November 28, 2017 | HYDRO-AIRE AEROSPACE CORP | $71,850 |
| SPE7MC17P3838From the item's award history | April 28, 2017 | PINNACLE RESEARCH AND AVIATION, LLC | $60,000 |
| SPE7MC17P1218From the item's award history | December 2, 2016 | HYDRO-AIRE AEROSPACE CORP | $69,760 |
| SPE7MC16V3063From the item's award history | January 22, 2016 | HYDRO-AIRE AEROSPACE CORP | $67,730 |
| SPE7MC15M4998From the item's award history | April 9, 2015 | HYDRO-AIRE AEROSPACE CORP | $65,760 |
| SPE7MC14M2280From the item's award history | December 24, 2013 | HYDRO-AIRE AEROSPACE CORP | $63,840 |
Showing 1 to 10 of 13 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.