# NSN 4730-00-107-8578: Coupling Assembly, Quick Disconne

NSN 4730-00-107-8578 (also written 4730001078578; NIIN 00-107-8578) is a coupling assembly, quick disconne in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4730-00-107-8578 (4730001078578)
- NIIN: 00-107-8578 (001078578)
- Item name: COUPLING ASSEMBLY,QUICK DISCONNE
- 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 2026-11-04)
- Acquisition method code: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CQRB | SEAT ANGLE | DEGREES 37.0 |
| CBBL | FEATURES PROVIDED | SAFETY LOCKING FEATURE |
| CQJX | NOMINAL THREAD SIZE | FIRST FLUID END CONNECTION INCHES 0.438 |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION THREADED EXTERNAL TUBE |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE CELSIUS 160.0 |
| AAJD | THREAD CLASS | 3A |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS PUSH-LOCK |
| THSD | THREAD SERIES DESIGNATOR | FIRST FLUID END CONNECTION UNF |
| STYL | STYLE DESIGNATOR | — |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST FLUID END CONNECTION INCHES 0.250 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A115138-501 | 88277 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D33L | 79326 | TRANSDIGM INC DIV ADELWIGGINS GROUP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-14 | [SPE7L126P99J5](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730001078578) | COUPLING ASSEMBLY, Q | TRANSDIGM INC DIV ADELWIGGINS GROUP | $44,973.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730001078578&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730001078578
- 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/4730-00-107-8578/
JSON: https://nsnexplorer.com/api/nsn/4730-00-107-8578.json