Acquisition method (AMC)
3
FSC 4820 × COCK,SHUTOFF,SCREW STEM
COCK,SHUTOFF,SCREW STEM
4820-01-596-1587 FSC 4820
NSN 4820-01-596-1587 (also written 4820015961587; NIIN 01-596-1587) is a cock, shutoff, screw stem in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are 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)
H
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC H: the government lacks sufficient, accurate or legible data to buy from other 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 |
|---|---|
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| THREAD DIRECTION AAJF | SECOND END RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | NEEDLE |
| END ITEM IDENTIFICATION AGAV | HYDRAULIC KIT, LOWER HATCH ASSEMBLY |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | MANUAL |
| CONNECTION TYPE AWLS | FIRST END THREADED INTERNAL PIPE |
| CONNECTION TYPE AWLS | SECOND END THREADED INTERNAL PIPE |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.500 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.375 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE BAR MAXIMUM 700.0 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | GAUGE SHUT-OFF VALVE |
| MATERIAL MATT | BODY STEEL |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | FIRST END NPT |
| THREAD SERIES DESIGNATOR THSD | SECOND END NPT |
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 |
|---|---|---|
| 167-7066805-348 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| H547-2003-348 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| NV-251 | 26952 | ENERPAC TOOL GROUP CORP |
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
$178.18
Purchases
1
Total spend
$178.18
Sep 25, 2026
Last purchased
2 · 2.0/yr
Purchase records
$356.36
Total demand
$178.18
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 25, 2026 | 1 | $178.18 | $178.18 | WOMACK MACHINE SUPPLY CO., LLC DBA EVOLUTION MOTION SOLUTIONS (1S3G7) | 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 25, 2026 | SPE7MC26V4628 ↗ | — | — | $178.18 |
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
WOMACK MACHINE SUPPLY CO., LLC DBA EVOLUTION MOTION SOLUTIONS
last award Sep 2026
ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
no award yet
no awards on record
Listed source ENERPAC TOOL GROUP CORP
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source WOMACK MACHINE SUPPLY CO., LLC DBA EVOLUTION MOTION SOLUTIONS won the only award on record. WOMACK MACHINE SUPPLY CO., LLC DBA EVOLUTION MOTION SOLUTIONS won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-287E | Sep 22, 2026 | Oct 2, 2026 | 1 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COCK,SHUTOFF,SCREW STEM." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-596-1587/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-596-1587/