Acquisition method (AMC)
1
FSC 4810 × TAILPIECE,VALVE
TAILPIECE,VALVE
4810-00-489-6257 FSC 4810
NSN 4810-00-489-6257 (also written 4810004896257; NIIN 00-489-6257) is a tailpiece, valve in Federal Supply Class 4810, Valves, Powered. 11 manufacturer part numbers from 10 suppliers 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)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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.
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 |
|---|---|---|
| 510946 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST |
| 510946-3 | 0A396 | COMPUTA-BASE-MACHINING, INC. |
| 510946-3 | 0JC12 | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS |
| 510946-3 | 17661 | HAMILL MANUFACTURING COMPANY DBA HAMILL MANUFACTURING CO |
| 510946-3 | 1V517 | DUHADAWAY TOOL & DIE SHOP INC |
| 510946-3 | 2M490 | NASSAU TOOL WORKS, INC |
| 510946-3 | 30828 | KROBACH MFG. CORP. DBA KROBACH MANUFACTURING CORP |
| 510946-3 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 510946-3 | 5S946 | PRE-MACH INC |
| 510946-3 | 6W889 | AMMCON CORP. |
| 510946-3 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST |
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 7, 2026
Last purchased
1 · 1.0/yr
Purchase records
$6,986
Total demand
$6,986
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 7, 2026 | SPE7M822P2072 ↗ | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | — | $6,986 |
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
BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS
last award Oct 2026
AMMCON CORP.
no award yet
no awards on record
Listed source COMPUTA-BASE-MACHINING, INC.
no award yet
no awards on record
Listed source DUHADAWAY TOOL & DIE SHOP INC
no award yet
no awards on record
Listed source HAMILL MANUFACTURING COMPANY DBA HAMILL MANUFACTURING CO
no award yet
no awards on record
Listed source KROBACH MFG. CORP. DBA KROBACH MANUFACTURING CORP
no award yet
no awards on record
Listed source NASSAU TOOL WORKS, INC
no award yet
no awards on record
Listed source NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST
no award yet
no awards on record
Listed source BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS won the only award on record.
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. "TAILPIECE,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4810-00-489-6257/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4810-00-489-6257/