Acquisition method (AMC)
1
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-097-0343 FSC 4820
NSN 4820-01-097-0343 (also written 4820010970343; NIIN 01-097-0343) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 7 manufacturer part numbers from 5 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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| FLOW CONTROL DEVICE ADQU | DISK |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| FLANGE SHAPE ARKN | ALL ENDS ROUND |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| MOUNTING POSITION BBJX | HORIZONTAL |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 700.0 |
| NOMINAL OUTSIDE DIAMETER CWCD | ALL ENDS INCHES 4.390 |
| NOMINAL THICKNESS CWCK | ALL ENDS INCHES 1.132 |
| FLANGE FACE DESIGN CWDF | ALL ENDS PLAIN |
| MATERIAL MATT | BODY COPPER ALLOY 706 |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 2642-253-01 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 845-4687541 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 845-4687541 ASS | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 845-4687541 ASSEMBLY F | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 845-4687541 ASSY F | 71905 | DERBYSHIRE MACHINE & TOOL CO |
| 845-4687541 ASSY F | 9Y957 | FLUIDYNE CORPORATION DBA FLUIDYNE CORP |
| 845-4687541 ASSY F | D8196 | STARRAG TECHNOLOGY GMBH |
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
$18,291.00
Purchases
1
Total spend
$128,037
Oct 13, 2026
Last purchased
2 · 2.0/yr
Purchase records
$256,074
Total demand
$18,291.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 13, 2026 | 7 | $18,291.00 | $128,037 | FLUIDYNE CORPORATION DBA FLUIDYNE CORP (9Y957) | Unknown | Source ↗ |
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 13, 2026 | SPE7M027V0112 ↗ | FLUIDYNE CORPORATION DBA FLUIDYNE CORP | — | $128,037 |
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.
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
FLUIDYNE CORPORATION DBA FLUIDYNE CORP
last award Oct 2026
DERBYSHIRE MACHINE & TOOL CO
no award yet
no awards on record
Listed source ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
no award yet
no awards on record
Listed source NAVAL SHIP SYSTEMS COMMAND
no award yet
no awards on record
Listed source STARRAG TECHNOLOGY GMBH
no award yet
no awards on record
Listed source FLUIDYNE CORPORATION DBA FLUIDYNE CORP won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-26-T-333W | Aug 13, 2026 | Aug 24, 2026 | 7 | 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.
- Data last refreshed: 2026-10-14.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-097-0343/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-097-0343/