Acquisition method (AMC)
1
FSC 4730 × COUPLING HALF,QUICK DISCONNECT
COUPLING HALF,QUICK DISCONNECT
4730-00-277-5678 FSC 4730
NSN 4730-00-277-5678 (also written 4730002775678; NIIN 00-277-5678) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 11 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Oct 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 |
|---|---|
| CONNECTION TYPE AWLS | FIRST FLUID END CONNECTION UNTHREADED EXTERNAL HOSE |
| NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED CWDW | ALL ENDS INCHES 0.250 |
| LEG LENGTH AHSJ | INCHES NOMINAL 0.960 |
| STYLE DESIGNATOR STYL | — |
| SPECIFICATION/STANDARD DATA ZZZK | PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION 58536-A-A-59439 A-A-59439 |
| QUICK DISCONNECT NOMINAL SIZE ADLP | ALL ENDS INCHES 0.250 |
| SURFACE TREATMENT SFTT | BODY CADMIUM OR ZINC |
| NONDEFINITIVE SPEC/STD DATA ZZZT | CLASS A AND STYLE 3 AND TYPE 2 |
| CONNECTION STYLE AHNC | — |
| MATERIAL MATT | BODY STEEL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | BODY FED SPEC SINGLE TREATMENT RESPONSE QQ--416.TY 2,CL 2 QQ--416.TY |
| OVERALL LENGTH ABHP | INCHES NOMINAL 2.120 |
| QUICK DISCONNECT METHOD ADLN | ALL ENDS PUSH-PULL |
| CONNECTION TYPE AWLS | FIRST QUICK DISCONNECT END QUICK DISCONNECT EXTERNAL |
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 |
|---|---|---|
| 405937-1 | 96214 | RAYTHEON COMPANY DBA RAYTHEON |
| A-A-59439 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| AA59439-011-08-00-C | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| AA59439-11-08-00C | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| D2F2 | 80691 | EVER TITE COUPLING CO INC |
| H8C | 97111 | PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION |
| M4109-11-08-00C | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-C-4109 | 14127 | FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO |
| MIL-C-4109 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| PE1174-0 ITEM 35 | 02591 | NAVAL AIR WARFARE CTR AIRCRAFT DIV |
| S109576 | K2985 | WIPAC LIMITED |
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
$1.94
Purchases
1
Total spend
$1,546
Oct 20, 2026
Last purchased
3 · 3.0/yr
Purchase records
$4,746
Total demand
$1.94
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 797 | $1.94 | $1,546 | ECHELON SUPPLY AND SERVICE, INC. (61125) | 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 |
|---|---|---|---|---|
| Oct 16, 2026 | SPE7M427V0321 ↗ | ECHELON SUPPLY AND SERVICE, INC. | — | $1,546 |
| Oct 20, 2026 | SPE7M427V0253 ↗ | ECHELON SUPPLY AND SERVICE, INC. | — | $1,654 |
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
ECHELON SUPPLY AND SERVICE, INC.
last award Oct 2026
EVER TITE COUPLING CO INC
no award yet
no awards on record
Listed source FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
no award yet
no awards on record
Listed source FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO
no award yet
no awards on record
Listed source 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 CTR AIRCRAFT DIV
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 RAYTHEON COMPANY DBA RAYTHEON
no award yet
no awards on record
Listed source ECHELON SUPPLY AND SERVICE, INC. won the only award on record. ECHELON SUPPLY AND SERVICE, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-27-T-0625 | Oct 13, 2026 | Oct 23, 2026 | 797 | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-21.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING HALF,QUICK DISCONNECT." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-277-5678/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-277-5678/