# NSN 4730-00-557-9959: Coupling Half, Quick Disconnect

NSN 4730-00-557-9959 (also written 4730005579959; NIIN 00-557-9959) is a coupling half, quick disconnect in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 16 manufacturer part numbers from 15 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4730-00-557-9959 (4730005579959)
- NIIN: 00-557-9959 (005579959)
- 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 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST FLUID END CONNECTION THREADED INTERNAL PIPE |
| TMQY | FURNISHED ITEMS AND QUANTITY | SEAL 1 |
| ABHP | OVERALL LENGTH | INCHES MINIMUM 1.562 AND INCHES MAXIMUM 1.672 |
| STYL | STYLE DESIGNATOR | — |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.250 |
| MATT | MATERIAL | BODY STEEL |
| SFTT | SURFACE TREATMENT | BODY CADMIUM |
| ADLN | QUICK DISCONNECT METHOD | ALL ENDS PUSH-PULL |
| AHSJ | LEG LENGTH | INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.560 |
| CBBL | FEATURES PROVIDED | SELF-SEALING |
| ADLP | QUICK DISCONNECT NOMINAL SIZE | ALL ENDS INCHES 0.375 |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS NPTF |
| AWLS | CONNECTION TYPE | ALL ENDS QUICK DISCONNECT EXTERNAL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1840 | 94894 | MILTON INDUSTRIES, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 23903-200 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 23903-200 | 4P412 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND DIV TOOL & HOIST DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3014599 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 41 | 73992 | TUTHILL CORP HANSEN COUPLING DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 41-4 | 14127 | FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6104-0011 | 53477 | SCOVILL INC SCHRADER BELLOWS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6689072 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D3F2 | 1QV15 | CAPITOL MARKETING & PROMOTIONS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D3F2 | 95138 | DIXON VALVE & COUPLING COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H1E | 45681 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H1E | 78JK3 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H1E | 87373 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HOSE PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H1E | 97111 | PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H52-FPB2 | 14233 | HOFMANN ENGINEERING CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| P-440 | 26902 | ANDRITZ SCHULER INCORPORATED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7M326V4421](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005579959) | COUPLING HALF, QUICK DISCONNECT | FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO | $1,036.64 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005579959&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005579959
- 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/4730-00-557-9959/
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