Acquisition method (AMC)
3
FSC 4820 × COCK,POPPET DRAIN
COCK,POPPET DRAIN
4820-00-516-4508 FSC 4820
NSN 4820-00-516-4508 (also written 4820005164508; NIIN 00-516-4508) is a cock, poppet drain in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is 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)
P
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC P: the government does not own the rights to the data needed for more sources. 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 |
|---|---|
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL TUBE |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | MANUAL |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 200.0 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| STYLE DESIGNATOR STYL | — |
| THREAD QUANTITY PER INCH CMLP | 20 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | ALL ENDS INCHES 0.250 |
| MATERIAL MATT | BODY ALUMINUM ALLOY |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
| OPERATING PRESSURE CQQF | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 100.0 |
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.437 |
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 |
|---|---|---|
| P4-228 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE 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 1, 2026
Last purchased
1 · 1.0/yr
Purchase records
$3,708
Total demand
$3,708
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 1, 2026 | SPE7M126V119Y ↗ | AVIARMS SUPPORT CORP | — | $3,708 |
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
AVIARMS SUPPORT CORP
last award Sep 2026
CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC
no award yet
no awards on record
Listed source AVIARMS SUPPORT CORP won the only award on record. AVIARMS SUPPORT CORP 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 27, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-26.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COCK,POPPET DRAIN." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-516-4508/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-516-4508/