Acquisition method (AMC)
3
FSC 4730 × TAILPIECE,UNION
TAILPIECE,UNION
4730-01-165-8386 FSC 4730
NSN 4730-01-165-8386 (also written 4730011658386; NIIN 01-165-8386) is a tailpiece, union in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 8 manufacturer part numbers from 3 suppliers 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 |
|---|---|
| NOMINAL PIPE SIZE DESIGNATION AAGN | INCHES 0.250 |
| OVERALL LENGTH ABHP | INCHES NOMINAL 1.440 |
| FLANGE THICKNESS ABKU | INCHES MINIMUM 0.312 AND INCHES MAXIMUM 0.328 |
| FLANGE OUTSIDE DIAMETER AHTC | INCHES MINIMUM 1.625 AND INCHES MAXIMUM 1.641 |
| END CONNECTION TYPE AWZY | SWEAT SOLDER |
| SEAT TYPE BYJF | GASKET |
| MATERIAL MATT | COPPER ALLOY 715 |
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 |
|---|---|---|
| 17-97-5280 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2621-791-01-PC 194 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 508-4585766 ITEM F55 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 508-4677429 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 508-4677429 ITEM F23 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 508-4685766 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 516-5486653 F5 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 87651-1471 ITEM F55 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
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 2, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,394
Total demand
$1,394
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 |
|---|---|---|---|---|
| Nov 2, 2026 | SPE7M527P0469 ↗ | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | — | $1,394 |
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 Nov 2026
ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source NAVAL SHIP SYSTEMS COMMAND
no award yet
no awards on record
Listed source BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS won the only award on record. BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS won without being a listed source.
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 3, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "TAILPIECE,UNION." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-165-8386/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-165-8386/