FSC 4730 × UNION,PIPE TO TUBE
UNION,PIPE TO TUBE
4730-01-155-7871 FSC 4730
NSN 4730-01-155-7871 (also written 4730011557871; NIIN 01-155-7871) is an union, pipe to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.
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).
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 ACCOMMODATED AAAR | FIRST END INCHES 1.000 |
| THREAD CLASS AAJD | 2A |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | FIRST END UNTHREADED EXTERNAL PIPE |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL BOSS |
| SEAT TYPE BYJF | RECESSED |
| THREAD QUANTITY PER INCH CMLP | 12 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 1.312 |
| COUPLING FLANGE SHAPE CQNM | ROUND |
| PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED CWFG | FIRST END SCHEDULE STD |
| NOMINAL OVERALL LENGTH CWFR | INCHES 8.250 |
| MATERIAL MATT | OVERALL NICKEL ALLOY |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | SECOND END UN |
| FURNISHED ITEMS AND QUANTITY TMQY | PREFORMED PACKING 2 |
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 |
|---|---|---|
| 14-97-0191 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2621-021-01 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2621-021-01ASSY106 7.550LG | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 516-4695758F2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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.
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 | |
|---|---|---|---|---|---|
| SPE7M3-26-T-8888 | Sep 11, 2026 | Sep 21, 2026 | 3 | Expired | View at DIBBS → |
| SPE7M3-26-T-8314 | Aug 19, 2026 | Aug 31, 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
NSN Explorer. "UNION,PIPE TO TUBE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-155-7871/. Data as of November 7, 2026.
https://nsnexplorer.com/nsn/4730-01-155-7871/