Acquisition method (AMC)
3
FSC 4730 × COUPLING HALF,QUICK DISCONNECT
COUPLING HALF,QUICK DISCONNECT
4730-00-580-2656 FSC 4730
NSN 4730-00-580-2656 (also written 4730005802656; NIIN 00-580-2656) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.
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)
H
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. 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 |
|---|---|
| QUICK DISCONNECT METHOD ADLN | ALL ENDS PUSH-PULL |
| CONNECTION STYLE AHNC | — |
| OVERALL LENGTH ABHP | INCHES NOMINAL 2.031 |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS NPTF |
| QUICK DISCONNECT NOMINAL SIZE ADLP | ALL ENDS INCHES 0.500 |
| FEATURES PROVIDED CBBL | SAFETY LOCKING FEATURE |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.500 |
| MATERIAL MATT | BODY COPPER ALLOY |
| STYLE DESIGNATOR STYL | — |
| LEG LENGTH AHSJ | INCHES MINIMUM 0.562 AND INCHES MAXIMUM 0.750 |
| CONNECTION TYPE AWLS | ALL ENDS INTERNAL QUICK DISCONNECT |
| CONNECTION TYPE AWLS | FIRST FLUID END CONNECTION THREADED EXTERNAL PIPE |
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 |
|---|---|---|
| 4S25 | 73992 | TUTHILL CORP HANSEN COUPLING DIV |
| 50MS | 14127 | FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO |
| BST-4M | 78JK3 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLING DIVISION |
| BST-4M | 97111 | PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION |
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
$23.54
Purchases
2
Total spend
$164.78
Aug 27, 2026
Last purchased
4 · 4.0/yr
Purchase records
$329.56
Total demand
$23.54
Latest unit price
Purchase history
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 |
|---|---|---|---|---|
| Aug 17, 2026 | SPE7M026P4270 ↗ | — | — | $94.16 |
| Aug 27, 2026 | SPE7M026P4412 ↗ | — | — | $70.62 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 7 days from posting to award.
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
CAGE 7H973
last award Aug 2026
FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO
no award yet
no awards on record
Listed source PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLING DIVISION
no award yet
no awards on record
Listed source PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION
no award yet
no awards on record
Listed source TUTHILL CORP HANSEN COUPLING DIV
no award yet
no awards on record
Listed source CAGE 7H973 won 2 of the last 2 awards. CAGE 7H973 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M0-26-T-047W | Aug 19, 2026 | Aug 31, 2026 | 3 | Expired | View at DIBBS → |
| SPE7M0-26-T-037L | Aug 12, 2026 | Aug 24, 2026 | 4 | 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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING HALF,QUICK DISCONNECT." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-580-2656/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-580-2656/