Acquisition method (AMC)
3
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-541-5446 FSC 4820
NSN 4820-01-541-5446 (also written 4820015415446; NIIN 01-541-5446) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 4 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
| DISK LOADING METHOD ADSU | SPRING |
| RENEWABLE SEAT RING TYPE ADZH | PRESSED-IN |
| END ITEM IDENTIFICATION AGAV | NEW CONSTRUCTION LCS1 |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | WAFTER STYLE SWING CHECK VALVE; INAVY: 4" CHECK WAFER |
| SPECIAL FEATURES FEAT | PRESSURE CLASS: 150; 4 INCH WAFER SWING CHECK VALVE; FLOW RATE: 1000 GPM @ 60 DEG F |
| MATERIAL MATT | BODY STEEL |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| MATERIAL MATT | SEAT RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- A216 WCB |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE ASSN STD SINGLE MATERIAL RESPONSE AST- A351-CF8- |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT MFR REF SINGLE MATERIAL RESPONSE VITON |
| 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 |
|---|---|---|
| 1200-CS 4.0IN | 15645 | COOPER CAMERON CORP COOPER CAMERON VALVES DIV |
| 1200-CS 4.0IN | 58568 | ENVIROVAC INC DBA MONOGRAM SYSTEMS-ROCKFORD DIV |
| 4SD15CCVSR | 50AZ2 | CHAMPION VALVES INC. |
| 5500447 | 47WD8 | EVAC NORTH AMERICA 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
$1,824.66
Purchases
1
Total spend
$9,123
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$18,247
Total demand
$1,824.66
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 5 | $1,824.66 | $9,123 | EVAC NORTH AMERICA INC (47WD8) | 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 |
|---|---|---|---|---|
| Sep 23, 2026 | SPE7MC26V4440 ↗ | EVAC NORTH AMERICA INC | — | $9,123 |
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
EVAC NORTH AMERICA INC
last award Sep 2026
CHAMPION VALVES INC.
no award yet
no awards on record
Listed source COOPER CAMERON CORP COOPER CAMERON VALVES DIV
no award yet
no awards on record
Listed source ENVIROVAC INC DBA MONOGRAM SYSTEMS-ROCKFORD DIV
no award yet
no awards on record
Listed source EVAC NORTH AMERICA INC won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-266A | Sep 11, 2026 | Sep 21, 2026 | 5 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-541-5446/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-541-5446/