Acquisition method (AMC)
1
FSC 4820 × COCK,POPPET DRAIN
COCK,POPPET DRAIN
4820-00-203-9391 FSC 4820
NSN 4820-00-203-9391 (also written 4820002039391; NIIN 00-203-9391) is a cock, poppet drain in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 6 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 |
|---|---|
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| 05C00094 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC |
| 3-52928-1 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. DBA DEFENSE SYSTEMS SECTOR |
| 3-52928-1 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS |
| 3-52928-1 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 633971-7 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| 740B7 | 91511 | AUTO-VALVE, 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
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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 — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-0926 | Oct 23, 2026 | Nov 2, 2026 | 513 | Expired | View at DIBBS → |
| SPE7MC-26-T-169R | Aug 7, 2026 | Aug 17, 2026 | 231 | 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. "COCK,POPPET DRAIN." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-203-9391/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-203-9391/