Acquisition method (AMC)
3
FSC 4820 × COCK,POPPET DRAIN
COCK,POPPET DRAIN
4820-01-438-1558 FSC 4820
NSN 4820-01-438-1558 (also written 4820014381558; NIIN 01-438-1558) is a cock, poppet drain in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 1 supplier 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, 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 |
|---|---|
| FLOW CONTROL DEVICE ADQU | POPPET |
| END ITEM IDENTIFICATION AGAV | NAVY WEAPONS SYSTEM JP, SUPPLY CLASS AOE |
| VALVE OPERATION METHOD AQLR | AUTOMATIC OR MANUAL |
| FLANGE SHAPE ARKN | FIRST END ROUND |
| CONNECTION TYPE AWLS | FIRST END FLANGE |
| FLANGE FACE DESIGN CWDF | FIRST END RAISED STRAIGHT |
| RAISED FACE NOMINAL HEIGHT CWDH | FIRST END INCHES 0.160 |
| RAISED FACE NOMINAL DIAMETER CWDL | FIRST END INCHES 4.166 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | FILTER DRAIN ASSEMBLY |
| SPECIAL FEATURES FEAT | AUTOMATIC DRAIN VALVE ASSEMBLYFOR HOWELL LABORATORIES MODEL 5295 MARK V CONDENSER FILTER DEHYDRATOR |
| MATERIAL MATT | BODY COPPER ALLOY AND STEEL CORROSION RESISTING |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE WATER, FRESH |
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 |
|---|---|---|
| 6290-G501 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC |
| 6656 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC |
| B6290 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC |
| B6290-G501 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC |
| D6656 REV A ITEM 5 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES 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
$2,000.26
Purchases
1
Total spend
$66,009
Oct 19, 2026
Last purchased
3 · 3.0/yr
Purchase records
$180,961
Total demand
$2,000.26
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | 33 | $2,000.26 | $66,009 | TRIMAN INDUSTRIES INC (0ZBE8) | Unknown | Source ↗ |
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 | SPE7M426V5464 ↗ | TRIMAN INDUSTRIES INC | — | $66,009 |
| Oct 19, 2026 | SPE7MC27P0211 ↗ | TRIMAN INDUSTRIES INC | — | $48,944 |
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
TRIMAN INDUSTRIES INC
last award Sep 2026
HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC
no award yet
no awards on record
Listed source TRIMAN INDUSTRIES INC won the only award on record. TRIMAN INDUSTRIES INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-174E | Aug 7, 2026 | Aug 20, 2026 | 33 | 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: 2026-10-26.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COCK,POPPET DRAIN." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-438-1558/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-438-1558/