# NSN 4730-00-166-2021: Coupling Half, Quick Disconnect

NSN 4730-00-166-2021 (also written 4730001662021; NIIN 00-166-2021) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-00-166-2021 (4730001662021)
- NIIN: 00-166-2021 (001662021)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | AN/ALQ-119 |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 6,T351 |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.750 |
| AAJD | THREAD CLASS | 3A |
| AHNC | CONNECTION STYLE | — |
| CBBL | FEATURES PROVIDED | SELF-SEALING |
| AWLS | CONNECTION TYPE | ALL ENDS INTERNAL QUICK DISCONNECT |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 2.121 |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS PUSH-PULL |
| ADLT | MATING END IDENTIFICATION | AEROQUIP CORP. COUPLING HALF,QUICK DISCONNECT,PART NO. AE96685H |
| SFTT | SURFACE TREATMENT | BODY ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BODY MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TY 2 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNF |
| AHSJ | LEG LENGTH | INCHES NOMINAL 0.396 |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION THREADED EXTERNAL BOSS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 578R724H02 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AE96686H | 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/) |
| AE96686H | R1120 | SATAIR A/S | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730001662021&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730001662021
- 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/4730-00-166-2021/
JSON: https://nsnexplorer.com/api/nsn/4730-00-166-2021.json