Acquisition method (AMC)
1
FSC 1620 × VALVE ASSEMBLY RELIEF,CYLINDER,B
VALVE ASSEMBLY RELIEF,CYLINDER,B
1620-01-040-6929 FSC 1620
NSN 1620-01-040-6929 (also written 1620010406929; NIIN 01-040-6929) is a valve assembly relief, cylinder, b in Federal Supply Class 1620, Aircraft Landing Gear Components. 11 manufacturer part numbers from 11 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| END ITEM IDENTIFICATION AGAV | ACFT C5A PO MASTER CY P/N 4G14572-101A MAIN LANDING GEAR |
| GENERAL CHARACTERISTICS ITEM DESCRIPTION TEXT | VALVE BODY 1 P/N 4G14578-101A,INSERT 1 P/N 4G14579-101A,POPPET 1 P/N 4G14580-101A,WASHER 2 P/N 4G14581-101A,SPRING 1 P/N 4G14584-101A,ROLLER 1P/N Q8116,FILTER 1 P/N 25028 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 4G14577-101A | 0MT08 | DEROSA ENGINEERING, INC. DBA DEROSA ENGINEERING INC |
| 4G14577-101A | 13002 | GOODRICH CORPORATION DIV ADVANCED STRUCTURES LANDING SYSTEMS |
| 4G14577-101A | 24398 | EAGLE TOOL & MACHINE CO., INC. |
| 4G14577-101A | 33822 | SPECIAL PROJECTS MFG CO INC |
| 4G14577-101A | 36164 | HEROUX-DEVTEK INC |
| 4G14577-101A | 55284 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL DIV AEROSPACE-SOUTH BEND (WESTMOOR ST) |
| 4G14577-101A | 5ZBP4 | HDI LANDING GEAR USA INC |
| 4G14577-101A | 6K4C8 | GOODRICH CORPORATION |
| 4G14577-101A | 70236 | TACTAIR FLUID CONTROLS INC |
| 4G14577-101A | 98247 | CANADIAN COMMERCIAL CORPORATION |
| 4G14577-101A | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
Oct 14, 2026
Last purchased
1 · 1.0/yr
Purchase records
$49,990
Total demand
$49,990
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Oct 14, 2026 | SPE4A725D5243/SPE4A727F0326 ↗ | DEROSA ENGINEERING, INC. DBA DEROSA ENGINEERING INC | — | $49,990 |
Demand history
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
DEROSA ENGINEERING, INC. DBA DEROSA ENGINEERING INC
last award Oct 2026
CANADIAN COMMERCIAL CORPORATION
no award yet
no awards on record
Listed source EAGLE TOOL & MACHINE CO., INC.
no award yet
no awards on record
Listed source GOODRICH CORPORATION
no award yet
no awards on record
Listed source GOODRICH CORPORATION DIV ADVANCED STRUCTURES LANDING SYSTEMS
no award yet
no awards on record
Listed source HDI LANDING GEAR USA INC
no award yet
no awards on record
Listed source HEROUX-DEVTEK INC
no award yet
no awards on record
Listed source HONEYWELL INTERNATIONAL INC. DBA HONEYWELL DIV AEROSPACE-SOUTH BEND (WESTMOOR ST)
no award yet
no awards on record
Listed source DEROSA ENGINEERING, INC. DBA DEROSA ENGINEERING INC won the only award on record.
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 15, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-15.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE ASSEMBLY RELIEF,CYLINDER,B." nsnexplorer.com, https://nsnexplorer.com/nsn/1620-01-040-6929/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/1620-01-040-6929/