Acquisition method (AMC)
3
FSC 4730 × COUPLING,TUBE
COUPLING,TUBE
4730-00-001-1671 FSC 4730
NSN 4730-00-001-1671 (also written 4730000011671; NIIN 00-001-1671) is a coupling, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 1 manufacturer part number from 1 supplier is 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).
Suffix (AMSC)
R
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 | — |
| THREAD CLASS AAJD | 2A |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.625 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.625 |
| SEAT ANGLE CQRB | FIRST END DEGREES 37.0 |
| SEAT ANGLE CQRB | SECOND END DEGREES 45.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.375 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | SECOND END INCHES 0.750 |
| NOMINAL OVERALL LENGTH CWFR | INCHES 4.000 |
| MATERIAL MATT | OVERALL ALUMINUM ALLOY 2024 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE -S 4120 OR ASSN STD SINGLE MATERIAL RESPONSE -S 4152 |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL TUBE |
| CONNECTION TYPE AWLS | SECOND END THREADED INTERNAL TUBE |
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 |
|---|---|---|
| 3021624 | 00198 | PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. |
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 | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0564 | Oct 22, 2026 | Nov 2, 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 23, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING,TUBE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-001-1671/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-001-1671/