Acquisition method (AMC)
1
FSC 4820 × VALVE,RESTRICTOR CHECK
VALVE,RESTRICTOR CHECK
4820-01-417-8495 FSC 4820
NSN 4820-01-417-8495 (also written 4820014178495; NIIN 01-417-8495) is a valve, restrictor check in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.
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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| END ITEM IDENTIFICATION AGAV | AIRCRAFT, HORNET F/A 18 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL TUBE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.438 |
| SEAT ANGLE CQRB | ALL ENDS DEGREES 37.0 |
| MATERIAL MATT | BODY ALUMINUM ALLOY 2024 |
| SURFACE TREATMENT SFTT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625, TYE II, CLASS 2 |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |
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 |
|---|---|---|
| 7M583-2 | 0PXV4 | THE BOEING COMPANY DIV SERVICES |
| 7M583-2 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| CV99-68-2 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC |
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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-26-T-332U | Sep 10, 2026 | Sep 21, 2026 | 57 | Expired | View at DIBBS → |
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 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,RESTRICTOR CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-417-8495/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-417-8495/