Acquisition method (AMC)
1
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-00-458-4566 FSC 4820
NSN 4820-00-458-4566 (also written 4820004584566; NIIN 00-458-4566) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 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 |
|---|---|
| SPECIAL FEATURES FEAT | WEAPON SYSTEM ESSENTIAL |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNF |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | ALL ENDS THREADED INTERNAL BOSS |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| END ITEM IDENTIFICATION AGAV | HH/UH-1 IROQUOIS, UH-1N UTILITY/SEARCH AND RECOVERY HELICOPTERS. |
| MATERIAL MATT | BODY ALUMINUM ALLOY |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.750 |
| NOMINAL THREAD SIZE CQJX | THIRD END INCHES 0.562 |
| CRITICALITY CODE JUSTIFICATION CRTL | FEAT |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.750 |
| THREAD CLASS AAJD | 2B |
| CONNECTION STYLE AHNC | — |
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 |
|---|---|---|
| 13066 | 16780 | EATON AEROSPACE LLC |
| 212-076-008-001 | 97499 | BELL TEXTRON INC |
| 212-076-008-1 | 97499 | BELL TEXTRON INC |
| 2BS081 | 26044 | SAF INDUSTRIES LLC DBA SAF INDUSTRIES LLC DIV GARKENYON |
| 42C42627 | 99215 | KAISER FLUID TECHNOLOGIES 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
—
Sep 22, 2026
Last purchased
1 · 1.0/yr
Purchase records
$17,400
Total demand
$17,400
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 |
|---|---|---|---|---|
| Sep 22, 2026 | SPE7MC26P3659 ↗ | — | — | $17,400 |
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
CAGE 0USU9
last award Sep 2026
BELL TEXTRON INC
no award yet
no awards on record
Listed source EATON AEROSPACE LLC
no award yet
no awards on record
Listed source KAISER FLUID TECHNOLOGIES INC.
no award yet
no awards on record
Listed source SAF INDUSTRIES LLC DBA SAF INDUSTRIES LLC DIV GARKENYON
no award yet
no awards on record
Listed source CAGE 0USU9 won the only award on record. CAGE 0USU9 won without being a listed source.
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.
- Data last refreshed: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-458-4566/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-458-4566/