Acquisition method (AMC)
1
FSC 4730 × UNION,PIPE TO TUBE
UNION,PIPE TO TUBE
4730-01-307-8428 FSC 4730
NSN 4730-01-307-8428 (also written 4730013078428; NIIN 01-307-8428) is an union, pipe to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 1 supplier 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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 |
|---|---|
| CONNECTION STYLE AHNC | — |
| FLANGE SHAPE ARKN | FIRST END ROUND |
| CONNECTION TYPE AWLS | SECOND END UNTHREADED EXTERNAL TUBE |
| CONNECTION TYPE AWLS | FIRST END FLANGE |
| SEAT TYPE BYJF | RECESSED |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| NOMINAL OUTSIDE DIAMETER CWCD | FIRST END INCHES 1.625 |
| NOMINAL THICKNESS CWCK | FIRST END INCHES 0.312 |
| FLANGE FACE DESIGN CWDF | FIRST END PLAIN SWIVEL WITH GASKET GROOVE |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | SECOND END INCHES 0.500 |
| TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED CWFK | SECOND END INCHES 0.137 |
| NOMINAL OVERALL LENGTH CWFR | INCHES 2.250 |
| MATERIAL MATT | OVERALL COPPER ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-C-15726 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE WATER |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 15-97-5206A | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2621-791-01 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 2621-791-01 ASSY 9A | 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
—
—
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 — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-26-T-8961 | Sep 11, 2026 | Sep 21, 2026 | 6 | 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. "UNION,PIPE TO TUBE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-307-8428/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-307-8428/