# NSN 4730-00-585-8437: Coupling Half, Quick Disconnect

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.

## Identification

- NSN: 4730-00-585-8437 (4730005858437)
- NIIN: 00-585-8437 (005858437)
- Item name: COUPLING HALF,QUICK DISCONNECT
- Federal Supply Class: [FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings](https://nsnexplorer.com/fsc/4730/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-11-06)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AHNC | CONNECTION STYLE | — |
| ADLP | QUICK DISCONNECT NOMINAL SIZE | ALL ENDS INCHES 1.109 |
| CWCK | NOMINAL THICKNESS | INCHES 0.250 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | INCHES 0.271 |
| CWCY | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | INCHES 1.828 |
| AECS | BOLT HOLE QUANTITY | 4 |
| AGAV | END ITEM IDENTIFICATION | USED ON B-52 AIRCRAFT |
| AGTA | BASIC SHAPE STYLE | — |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 3.330 |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS SPRING PUSH-PULL |
| STYL | STYLE DESIGNATOR | — |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-C-7413 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 1 |
| CWDC | CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | INCHES 1.828 |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| AKGF | NOMINAL WIDTH | INCHES 2.375 |
| AKGG | NOMINAL LENGTH | INCHES 2.375 |
| AWLS | CONNECTION TYPE | ALL ENDS INTERNAL QUICK DISCONNECT |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION FLANGE |
| CBBL | FEATURES PROVIDED | SELF-SEALING |
| SFTT | SURFACE TREATMENT | BODY ANODIZE |
| AHSJ | LEG LENGTH | INCHES MINIMUM 0.281 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10-20227-2 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20772-3F | 81833 | AEROCONTROLEX GROUP, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 405-20772 | 81833 | AEROCONTROLEX GROUP, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6520-772034 | 81833 | AEROCONTROLEX GROUP, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6520-772034 | 96124 | TRANSDIGM INC DIV AERO FLUID PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6520-772034 | 96736 | AEROCONTROLEX GROUP, INC. DBA AERO FLUID PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS7413 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M9146DCD001 | 6L817 | NATIONAL MACHINE COMPANY DBA NMG AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-C-7413 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-Q-0161 | 175 | 2026-11-18 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005858437&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005858437&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005858437
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4730-00-585-8437/
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