Acquisition method (AMC)
3
FSC 4820 × QUIET VENT ASSEMBLY
QUIET VENT ASSEMBLY
4820-01-479-5922 FSC 4820
NSN 4820-01-479-5922 (also written 4820014795922; NIIN 01-479-5922) is a quiet vent assembly in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Nov 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)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | USED ON AIRCRAFT CARRIER, CVN-68/69/72 |
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 |
|---|---|---|
| S1D10048 ITEM 17 | 99517 | VACCO INDUSTRIES |
| S3C10059-01 | 99517 | VACCO INDUSTRIES |
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
—
Nov 3, 2026
Last purchased
2 · 2.0/yr
Purchase records
$246,419
Total demand
$61,521
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 20, 2026 | SPE7M026V5128 ↗ | VACCO INDUSTRIES | — | $184,898 |
| Nov 3, 2026 | SPE7M125V8379 ↗ | VACCO INDUSTRIES | — | $61,521 |
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
VACCO INDUSTRIES
last award Nov 2026
VACCO INDUSTRIES won 2 of the last 2 awards.
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 2, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "QUIET VENT ASSEMBLY." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-479-5922/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-479-5922/