Acquisition method (AMC)
3
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-630-8284 FSC 4820
NSN 4820-01-630-8284 (also written 4820016308284; NIIN 01-630-8284) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7MC-27-T-0625 | 8 | Closes in 4d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
Q
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. 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 |
|---|---|
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| FLANGE SHAPE ARKN | ALL ENDS ROUND |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| VALVE SIZE CCFG | INCHES 1.500 |
| NOMINAL OUTSIDE DIAMETER CWCD | ALL ENDS INCHES 5.000 |
| FACE TO FACE DISTANCE CWCF | INCHES 6.500 |
| NOMINAL THICKNESS CWCK | ALL ENDS INCHES 0.690 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | FORGED STEEL SWING CHECK VALVE, FLANGED END ANSI CLS 150 |
| MATERIAL MATT | BODY STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- A105N |
| 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 |
|---|---|---|
| WARREN-3155F 1.50IN | 095Y7 | WARREN ALLOY VALVE AND FITTING CO INC |
| WARREN-3155F 1.50IN | 1QP40 | W & O SUPPLY 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
—
Oct 1, 2026
Last purchased
1 · 1.0/yr
Purchase records
$2,095
Total demand
$2,095
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 1, 2026 | SPE7MC27V0013 ↗ | ECHELON SUPPLY AND SERVICE, INC. | — | $2,095 |
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
ECHELON SUPPLY AND SERVICE, INC.
last award Oct 2026
W & O SUPPLY INC
no award yet
no awards on record
Listed source WARREN ALLOY VALVE AND FITTING CO INC
no award yet
no awards on record
Listed source ECHELON SUPPLY AND SERVICE, INC. won the only award on record. ECHELON SUPPLY AND SERVICE, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-0625 | Oct 13, 2026 | Oct 23, 2026 | 8 | Open | 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: 2026-10-02.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-630-8284/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-630-8284/