Acquisition method (AMC)
1
FSC 4730 × COUPLING HALF,QUICK DISCONNECT
COUPLING HALF,QUICK DISCONNECT
4730-00-585-8437 FSC 4730
NSN 4730-00-585-8437 (also written 4730005858437; NIIN 00-585-8437) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 9 manufacturer part numbers from 7 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M1-27-Q-0161 | 175 | Closes in 11d | Bid → |
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 |
|---|---|
| CONNECTION STYLE AHNC | — |
| QUICK DISCONNECT NOMINAL SIZE ADLP | ALL ENDS INCHES 1.109 |
| NOMINAL THICKNESS CWCK | INCHES 0.250 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | INCHES 0.271 |
| CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH CWCY | INCHES 1.828 |
| BOLT HOLE QUANTITY AECS | 4 |
| END ITEM IDENTIFICATION AGAV | USED ON B-52 AIRCRAFT |
| BASIC SHAPE STYLE AGTA | — |
| OVERALL LENGTH ABHP | INCHES NOMINAL 3.330 |
| QUICK DISCONNECT METHOD ADLN | ALL ENDS SPRING PUSH-PULL |
| STYLE DESIGNATOR STYL | — |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81349--IL-C-7413 |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE 1 |
| CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH CWDC | INCHES 1.828 |
| MATERIAL MATT | BODY ALUMINUM ALLOY |
| NOMINAL WIDTH AKGF | INCHES 2.375 |
| NOMINAL LENGTH AKGG | INCHES 2.375 |
| CONNECTION TYPE AWLS | ALL ENDS INTERNAL QUICK DISCONNECT |
| CONNECTION TYPE AWLS | FIRST FLUID END CONNECTION FLANGE |
| FEATURES PROVIDED CBBL | SELF-SEALING |
| SURFACE TREATMENT SFTT | BODY ANODIZE |
| LEG LENGTH AHSJ | INCHES MINIMUM 0.281 |
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 |
|---|---|---|
| 10-20227-2 | 81205 | THE BOEING COMPANY DIV DEFENSE |
| 20772-3F | 81833 | AEROCONTROLEX GROUP, INC. |
| 405-20772 | 81833 | AEROCONTROLEX GROUP, INC. |
| 6520-772034 | 81833 | AEROCONTROLEX GROUP, INC. |
| 6520-772034 | 96124 | TRANSDIGM INC DIV AERO FLUID PRODUCTS |
| 6520-772034 | 96736 | AEROCONTROLEX GROUP, INC. DBA AERO FLUID PRODUCTS |
| AS7413 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| M9146DCD001 | 6L817 | NATIONAL MACHINE COMPANY DBA NMG AEROSPACE |
| MIL-C-7413 | 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
—
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 | |
|---|---|---|---|---|---|
| SPE7M1-27-Q-0161 | Nov 4, 2026 | Nov 18, 2026 | 175 | Open | 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 Nov 6, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING HALF,QUICK DISCONNECT." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-585-8437/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-585-8437/