Acquisition method (AMC)
3
FSC 4820 × PISTON,VALVE
PISTON,VALVE
4820-01-090-4962 FSC 4820
NSN 4820-01-090-4962 (also written 4820010904962; NIIN 01-090-4962) is a piston, valve in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7MC-27-T-1673 | 2 | Closes in 9d | Bid → |
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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | VACUUM BREAKING VALVE,BIDORO MFR CO MODEL E-1 |
| MATERIAL MATT | COPPER ALLOY |
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 |
|---|---|---|
| BMC3479A PART 12 | 23798 | BIDORO MFG CO PO BOX 103 HUNTINGTON STA NY 11746 |
| BMC3479A PART 12 | 6W889 | AMMCON CORP. |
| BMC3479C PART 12 | 23798 | BIDORO MFG CO PO BOX 103 HUNTINGTON STA NY 11746 |
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
$1,249.94
Purchases
1
Total spend
$2,500
Oct 29, 2026
Last purchased
2 · 2.0/yr
Purchase records
$5,000
Total demand
$1,249.94
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 29, 2026 | 2 | $1,249.94 | $2,500 | PIONEER INDUSTRIES, LLC (66200) | 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 |
|---|---|---|---|---|
| Oct 29, 2026 | SPE7MC27V0372 ↗ | PIONEER INDUSTRIES, LLC | — | $2,500 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 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
PIONEER INDUSTRIES, LLC
last award Oct 2026
AMMCON CORP.
no award yet
no awards on record
Listed source BIDORO MFG CO PO BOX 103 HUNTINGTON STA NY 11746
no award yet
no awards on record
Listed source PIONEER INDUSTRIES, LLC won the only award on record. PIONEER INDUSTRIES, LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-1673 | Nov 6, 2026 | Nov 16, 2026 | 2 | Open | View at DIBBS → |
| SPE7MC-27-T-0976 | Oct 23, 2026 | Nov 2, 2026 | 2 | 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 23, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PISTON,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-090-4962/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-090-4962/