Acquisition method (AMC)
0
FSC 4820 × PISTON,VALVE
PISTON,VALVE
4820-01-219-8221 FSC 4820
NSN 4820-01-219-8221 (also written 4820012198221; NIIN 01-219-8221) is a piston, valve in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is 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-0416 | 2 | Closes in 4d | Bid → |
Can you win it?
The codes on record do not say whether this item is competed or bought from a named source.
Suffix (AMSC)
0
Competition
—
AMC 0: not established: the part has not completed screening. AMSC 0 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 1.240 |
| END ITEM IDENTIFICATION AGAV | B-1B |
| SPECIAL FEATURES FEAT | CRES 17-4 COND A PER AMS 5643; HEAT TREAT TO COND H900 PER CPS 423 APPX NO. 3; PASSIVATE PER CPS 130; USED ON OXYGEN VALVE 1660-01-211-2088 AMS 5643 |
| MATERIAL MATT | STEEL CORROSION RESISTING |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | ASSN STD SINGLE MATERIAL RESPONSE A-S 5643 |
| SURFACE TREATMENT SFTT | PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | MFR REF SINGLE TREATMENT RESPONSE CS 130 |
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 |
|---|---|---|
| 2192-0091-1 | 04577 | MISSION SYSTEMS ORCHARD PARK INC |
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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-0416 | Oct 13, 2026 | Oct 23, 2026 | 2 | Open | View at DIBBS → |
| SPE7M1-26-T-328K | Sep 8, 2026 | Sep 18, 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PISTON,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-219-8221/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-219-8221/