Acquisition method (AMC)
1
FSC 4730 × UNION,PIPE
UNION,PIPE
4730-00-189-2588 FSC 4730
NSN 4730-00-189-2588 (also written 4730001892588; NIIN 00-189-2588) is an union, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 3 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 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 |
|---|---|
| REDUCED PASSAGE NOMINAL INSIDE DIAMETER CWFN | ALL ENDS INCHES 0.390 |
| COUPLING FLANGE SHAPE CQNM | HEXAGON |
| STYLE DESIGNATOR STYL | — |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81348-WW-U-516 |
| MATERIAL MATT | OVERALL COPPER ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-B-1005 AND FED SPEC 2ND MATERIAL RESPONSE AST- B145 ALLOY 4A QQ-B-1005 |
| SEAT TYPE BYJF | BALL-CONE |
| OPERATING PRESSURE CQQF | SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| MEDIA FOR WHICH DESIGNED MEDA | FIRST RESPONSE STEAM |
| REDUCER TYPE ACSP | CONCENTRIC |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE 2 AND STYLE A |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 400.0 |
| CONNECTION STYLE AHNC | — |
| CONNECTION TYPE AWLS | ALL ENDS THREADED INTERNAL PIPE |
| NOMINAL OVERALL LENGTH CWFR | INCHES 1.560 |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS NPT |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.250 |
| OPERATING PRESSURE CQQF | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0 |
| MEDIA FOR WHICH DESIGNED MEDA | SECOND RESPONSE WATER-OIL-GAS |
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 |
|---|---|---|
| 11024189 | 59678 | COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER DBA US ARMY COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER |
| 11024189-4 | 59678 | COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER DBA US ARMY COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER |
| A-A-59617 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| AA59617-11 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| WW-U-516-11 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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-8848 | Sep 8, 2026 | Sep 23, 2026 | 29 | 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." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-189-2588/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-189-2588/