Acquisition method (AMC)
1
FSC 4730 × COUPLING,PIPE
COUPLING,PIPE
4730-01-421-4722 FSC 4730
NSN 4730-01-421-4722 (also written 4730014214722; NIIN 01-421-4722) is a coupling, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 | ALL ENDS INCHES 1.500 |
| MAXIMUM OPERATING TEMP AEHZ | SECOND RESPONSE FAHRENHEIT 150.0 |
| MAXIMUM OPERATING TEMP AEHZ | FIRST RESPONSE FAHRENHEIT 425.0 |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | ALL ENDS UNTHREADED INTERNAL PIPE |
| OPERATING PRESSURE CQQF | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 200.0 |
| OPERATING PRESSURE CQQF | SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| NOMINAL OVERALL LENGTH CWFR | INCHES 1.920 |
| SPECIAL FEATURES FEAT | OPTIONAL RIB FOR MACHINING OR WALL;MATERIAL COMPOSITION 70-30 COPPER NICKEL ALLOY |
| MATERIAL MATT | OVERALL COPPER ALLOY 715 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-C-15726 |
| MEDIA FOR WHICH DESIGNED MEDA | SECOND RESPONSE WATER-OIL-GAS |
| MEDIA FOR WHICH DESIGNED MEDA | FIRST RESPONSE STEAM |
| 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 |
|---|---|---|
| 6397430 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 803-6397430CPLG 1-1/2 70/30 | 53711 | NAVAL SEA 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.
Latest unit price
—
Purchases
0
Total spend
—
Sep 21, 2026
Last purchased
1 · 1.0/yr
Purchase records
$60,359
Total demand
$60,359
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 |
|---|---|---|---|---|
| Sep 21, 2026 | SPE7M326P1657 ↗ | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | — | $60,359 |
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 Sep 2026
NAVAL SEA 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 Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-09-29.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-421-4722/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-421-4722/