Acquisition method (AMC)
1
FSC 4820 × VALVE,VENT
VALVE,VENT
4820-01-557-4926 FSC 4820
NSN 4820-01-557-4926 (also written 4820015574926; NIIN 01-557-4926) is a valve, vent in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 | TOP ASSY 7380010; SSN774 PSA |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL PIPE |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 9100.0 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | VALVE, BLEED |
| SPECIAL FEATURES FEAT | END CONNECTIONS: 1ST END SAE O-RING 1/2 IN 3/4-16; 2ND END BEVELED, OUT TO ATMOSPHERE; NHA 73580106 MOUNTING KIT, HEAT EXCHANGER |
| MATERIAL MATT | BODY STEEL COMP 316 |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 7380106-19 | 90536 | LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN |
| SS-BVST8 | 3T9T9 | SWAGELOK CO |
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
$137.96
Purchases
1
Total spend
$1,518
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$3,035
Total demand
$137.96
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 11 | $137.96 | $1,518 | LARKOS PACKING AND DISTRIBUTION INC. (6PZL1) | 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 23, 2026 | SPE7MC26V4583 ↗ | LARKOS PACKING AND DISTRIBUTION INC. | — | $1,518 |
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
LARKOS PACKING AND DISTRIBUTION INC.
last award Sep 2026
LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN
no award yet
no awards on record
Listed source SWAGELOK CO
no award yet
no awards on record
Listed source LARKOS PACKING AND DISTRIBUTION INC. won the only award on record. LARKOS PACKING AND DISTRIBUTION INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-280D | Sep 17, 2026 | Sep 28, 2026 | 11 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,VENT." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-557-4926/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-557-4926/