Acquisition method (AMC)
1
FSC 4730 × COUPLING HALF,QUICK DISCONNECT
COUPLING HALF,QUICK DISCONNECT
4730-01-029-7790 FSC 4730
NSN 4730-01-029-7790 (also written 4730010297790; NIIN 01-029-7790) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 10 manufacturer part numbers from 7 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)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| OVERALL LENGTH ABHP | INCHES NOMINAL 1.799 |
| QUICK DISCONNECT METHOD ADLN | ALL ENDS PUSH-PULL |
| QUICK DISCONNECT NOMINAL SIZE ADLP | ALL ENDS INCHES 0.875 |
| CONNECTION STYLE AHNC | — |
| LEG LENGTH AHSJ | INCHES MINIMUM 0.562 AND INCHES MAXIMUM 0.781 |
| CONNECTION TYPE AWLS | FIRST FLUID END CONNECTION THREADED EXTERNAL TUBE |
| CONNECTION TYPE AWLS | FIRST QUICK DISCONNECT END QUICK DISCONNECT EXTERNAL |
| FEATURES PROVIDED CBBL | SELF-SEALING |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.562 |
| SEAT ANGLE CQRB | DEGREES 37.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | ALL ENDS INCHES 0.375 |
| MATERIAL MATT | BODY STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-S-764,COND A QQ-S-764 |
| SURFACE TREATMENT SFTT | BODY PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | BODY FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |
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 |
|---|---|---|
| 255R113WD6 | 79326 | TRANSDIGM INC DIV ADELWIGGINS GROUP |
| 255R117WD6 | 79326 | TRANSDIGM INC DIV ADELWIGGINS GROUP |
| 2914555 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
| 2914555-2 | 3B150 | RAYTHEON COMPANY DBA RAYTHEON CO |
| 2914555-2 | 49956 | RAYTHEON COMPANY DIV CORP |
| 2914555-2 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| G526029-2 | 3B150 | RAYTHEON COMPANY DBA RAYTHEON CO |
| G526029-2 | 49956 | RAYTHEON COMPANY DIV CORP |
| G526029-2 | 54X10 | RAYTHEON COMPANY |
| R12D06EB | 1WG21 | LKR, INC. DBA LKR INC DIV RAYCON INDUSTRIES |
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
$333.05
Purchases
1
Total spend
$16,986
Oct 16, 2026
Last purchased
2 · 2.0/yr
Purchase records
$33,971
Total demand
$333.05
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 51 | $333.05 | $16,986 | S I T CORPORATION (1MQB3) | 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 | SPE7M327V0297 ↗ | S I T CORPORATION | — | $16,986 |
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.
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
S I T CORPORATION
last award Oct 2026
LKR, INC. DBA LKR INC DIV RAYCON INDUSTRIES
no award yet
no awards on record
Listed source NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source RAYTHEON COMPANY
no award yet
no awards on record
Listed source RAYTHEON COMPANY DBA RAYTHEON CO
no award yet
no awards on record
Listed source RAYTHEON COMPANY DIV CORP
no award yet
no awards on record
Listed source TRANSDIGM INC DIV ADELWIGGINS GROUP
no award yet
no awards on record
Listed source S I T CORPORATION won the only award on record. S I T CORPORATION won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0082 | Oct 6, 2026 | Oct 16, 2026 | 51 | Expired | View at DIBBS → |
| SPE7M3-26-T-9366 | Sep 25, 2026 | Oct 5, 2026 | 51 | Cancelled | 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: 2026-10-17.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING HALF,QUICK DISCONNECT." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-029-7790/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-029-7790/