Acquisition method (AMC)
1
FSC 4820 × STEM,FLUID VALVE
STEM,FLUID VALVE
4820-01-421-8153 FSC 4820
NSN 4820-01-421-8153 (also written 4820014218153; NIIN 01-421-8153) is a stem, fluid valve in Federal Supply Class 4820, Valves, Nonpowered. 4 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| OVERALL LENGTH ABHP | INCHES NOMINAL 4.750 |
| END ITEM IDENTIFICATION AGAV | SEAWOLF CLASS SSN |
| LARGEST OUTSIDE DIAMETER AGWM | INCHES NOMINAL 0.682 |
| VALVE TYPE FOR WHICH DESIGNED BTNZ | GLOBE |
| FEATURES PROVIDED CBBL | INTEGRAL DISK |
| VALVE SIZE FOR WHICH DESIGNED CXBX | INCHES 0.250 |
| STEM ACTUATING END TYPE CYCB | THREADED EXTERNALLY |
| MATERIAL MATT | COBALT |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | MIL SPEC SINGLE MATERIAL RESPONSE -IL-C-24252, CO- 1, COND CA-7 |
| FURNISHED ITEMS AND QUANTITY TMQY | DISK 1 AND PACKING 1 AND RETAINER 1 AND LOCKNUT 1 AND NUT 1 |
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 |
|---|---|---|
| 6397434 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-6397434-075 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-6397434-X11XX1-075 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-6397434-X11XX1-090 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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 5, 2026
Last purchased
1 · 1.0/yr
Purchase records
$12,780
Total demand
$12,780
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 5, 2026 | SPE7M126V6906 ↗ | — | — | $12,780 |
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
CAGE 86XE9
last award Oct 2026
NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source CAGE 86XE9 won the only award on record. CAGE 86XE9 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "STEM,FLUID VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-421-8153/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-421-8153/