Acquisition method (AMC)
1
FSC 4730 × UNION,PIPE
UNION,PIPE
4730-00-057-2663 FSC 4730
NSN 4730-00-057-2663 (also written 4730000572663; NIIN 00-057-2663) is an union, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 2 suppliers 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 |
|---|---|
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0 |
| CONNECTION TYPE AWLS | FIRST END UNTHREADED INTERNAL PIPE |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.500 |
| MATERIAL MATT | OVERALL COPPER ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-F-1183,TYE A |
| COUPLING FLANGE SHAPE CQNM | ROUND |
| MEDIA FOR WHICH DESIGNED MEDA | FIRST RESPONSE STEAM |
| MEDIA FOR WHICH DESIGNED MEDA | SECOND RESPONSE WATER-OIL-GAS |
| NOMINAL PIPE SIZE ACCOMMODATED AAAR | FIRST END INCHES 0.3750 |
| THREAD PITCH DIAMETERS AAJE | SECOND END INCHES 1.2250 TO 1.2304 |
| REDUCER TYPE ACSP | CONCENTRIC |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 150.0 |
| SEAT ANGLE CQRB | SECOND END DEGREES 45.0 |
| CONNECTION TYPE AWLS | SECOND END THREADED EXTERNAL PIPE |
| SEAT TYPE BYJF | BEVELED |
| THREAD QUANTITY PER INCH CMLP | 14 |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNS |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81349--IL-F-1183J |
| NONDEFINITIVE SPEC/STD DATA ZZZT | FIGURE 4 |
| CONNECTION STYLE AHNC | — |
| NOMINAL OVERALL LENGTH CWFR | INCHES 2.270 |
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 |
|---|---|---|
| A317783-2 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST |
| M1183/10-11N1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| M1183/10-31N1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-F-1183/10-12-A-3 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
$163.20
Purchases
1
Total spend
$2,448
Sep 22, 2026
Last purchased
2 · 2.0/yr
Purchase records
$4,896
Total demand
$163.20
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | 15 | $163.20 | $2,448 | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS (0JC12) | Unknown | Source ↗ |
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 22, 2026 | SPE7M226V5455 ↗ | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | — | $2,448 |
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.
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
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M2-26-T-6780 | Sep 11, 2026 | Sep 21, 2026 | 15 | 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.
- Data last refreshed: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "UNION,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-057-2663/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-057-2663/