Acquisition method (AMC)
1
FSC 4820 × COCK,POPPET DRAIN
COCK,POPPET DRAIN
4820-00-821-8021 FSC 4820
NSN 4820-00-821-8021 (also written 4820008218021; NIIN 00-821-8021) is a cock, poppet drain in Federal Supply Class 4820, Valves, Nonpowered. 15 manufacturer part numbers from 9 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)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| MATERIAL MATT | SEAT RUBBER SYNTHETIC |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL TUBE |
| CONNECTION STYLE AHNC | — |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| SEAT ANGLE CQRB | FIRST END DEGREES 37.0 |
| MATERIAL MATT | BODY ALUMINUM ALLOY |
| VALVE OPERATION METHOD AQLR | MANUAL |
| THREAD CLASS AAJD | 3A |
| CONNECTION TYPE AWLS | SECOND END THREADED INTERNAL BOSS |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 60.0 |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| THREAD CLASS AAJD | 3B |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.562 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.562 |
| SURFACE TREATMENT SFTT | ANODIZE |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 160.0 |
| THREAD DIRECTION AAJF | SECOND END RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
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 |
|---|---|---|
| 08101-2 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
| 08101-6AF | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
| 10003196 | 18876 | US ARMY AVIATION AND MISSILE COMMAND |
| 10607887-1 | 04939 | LOCKHEED MARTIN CORPORATION |
| 10607887-1 | 18876 | US ARMY AVIATION AND MISSILE COMMAND |
| 10607887-1 | 38597 | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS |
| 301-00F59 | 09445 | DUKE'S AEROSPACE, INC. |
| 475C59NW | 91511 | AUTO-VALVE, INC |
| 475C59W | 91511 | AUTO-VALVE, INC |
| 49F9798-59 | 80049 | DEPARTMENT OF THE AIR FORCE |
| 57A1-2 | 38597 | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS |
| 633691-4 | 1WL60 | LOCKHEED MARTIN SERVICES, LLC |
| 633691-4 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| 8101-2 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
| AV475C59NW | 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
—
Purchases
0
Total spend
—
Oct 7, 2026
Last purchased
1 · 1.0/yr
Purchase records
$4,750
Total demand
$4,750
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 7, 2026 | SPE7M127P0138 ↗ | — | — | $4,750 |
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
CAGE 5YT78
last award Oct 2026
AUTO-VALVE, INC
no award yet
no awards on record
Listed source DEPARTMENT OF THE AIR FORCE
no award yet
no awards on record
Listed source DUKE'S AEROSPACE, INC.
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS
no award yet
no awards on record
Listed source LOCKHEED MARTIN SERVICES, LLC
no award yet
no awards on record
Listed source CAGE 5YT78 won the only award on record. CAGE 5YT78 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-26-T-393C | Sep 11, 2026 | Sep 24, 2026 | 25 | 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: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COCK,POPPET DRAIN." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-821-8021/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-821-8021/