Acquisition method (AMC)
1
FSC 4820 × COCK,POPPET DRAIN
COCK,POPPET DRAIN
4820-01-397-1755 FSC 4820
NSN 4820-01-397-1755 (also written 4820013971755; NIIN 01-397-1755) is a cock, poppet drain in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 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)
T
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC T: handled under qualified products list procedures. 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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
| END ITEM IDENTIFICATION AGAV | E-3A |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | MANUAL |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL BOSS |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.875 |
| SPECIAL FEATURES FEAT | USED AS SELF-LOCKING FUEL DRAIN VALVE ASSEMBLY, CONSISTS OF 1 POPPET VALVE,1 VALVE POPPET, 1 O-RING, 1 SPRING, 1 VALVE BODY, 1 SPRING PIN |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY |
| SURFACE TREATMENT SFTT | ANODIZE |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
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 |
|---|---|---|
| 95C5 | 91511 | AUTO-VALVE, INC |
| MIL-V-25023 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS29571-5 | 91511 | AUTO-VALVE, INC |
| MS29571-5 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
—
Aug 18, 2026
Last purchased
1 · 1.0/yr
Purchase records
$72,540
Total demand
$72,540
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 |
|---|---|---|---|---|
| Aug 18, 2026 | SPE7M126D61HV/SPE7M526F2185 ↗ | AUTO-VALVE, INC | — | $72,540 |
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
AUTO-VALVE, INC
last award Aug 2026
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source AUTO-VALVE, INC won the only award on record.
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 Nov 4, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COCK,POPPET DRAIN." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-397-1755/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-397-1755/