# NSN 4730-00-062-4278: Coupling Half, Quick Disconnect

NSN 4730-00-062-4278 (also written 4730000624278; NIIN 00-062-4278) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4730-00-062-4278 (4730000624278)
- NIIN: 00-062-4278 (000624278)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | INCHES 0.201 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | INCHES 1.437 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 0.250 |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS QUICK LEAD THREAD |
| AAJD | THREAD CLASS | 3A |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.800 |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.438 |
| CQKS | MOUNTING FLANGE LOCATION | FIRST LEG |
| AHNC | CONNECTION STYLE | — |
| AHSJ | LEG LENGTH | INCHES NOMINAL 0.550 |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION THREADED EXTERNAL TUBE |
| CBBL | FEATURES PROVIDED | SELF-SEALING |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNF |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| AGTA | BASIC SHAPE STYLE | — |
| CWCD | NOMINAL OUTSIDE DIAMETER | INCHES 1.812 |
| CQRB | SEAT ANGLE | DEGREES 37.0 |
| SFTT | SURFACE TREATMENT | BODY ANODIZE |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT APPLICATION |
| AECS | BOLT HOLE QUANTITY | 6 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AE73656E | 00624 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TB015519-S4-4D | 00624 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE4A124G0043/SPE7M326F0095](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730000624278) | COUPLING HALF, QUICK | AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS | $2,338.44 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730000624278&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730000624278
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4730-00-062-4278/
JSON: https://nsnexplorer.com/api/nsn/4730-00-062-4278.json