The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-277-5680, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-5680 |
| Primary Part Number | AA50431, CLASS OF, SIZE 1/2 INCH |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Quick Disconnect Nominal Size | 0.781 INCHES ALL ENDS IN |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Leg Length | 0.625 INCHES NOMINAL IN |
| Thread Series Designator | NPT ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Material | COPPER ALLOY BODY |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Nondefinitive Spec/std Data | OF CLASS |
| Connection Style | PLAIN ALL ENDS |
| Material Document and Classification | MIL-C-3486,TB 1 MIL SPEC SINGLE MATERIAL RESPONSE BODY TB |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AA50431, CLASS OF, SIZE 1/2 INCH | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA50431-OFBZC10 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A-A-50431 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| MILC3486CLASS0F | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-00-277-5680 is a Coupling Half,quick Disconnect, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-277-5680 has 4 cross-referenced part numbers: AA50431, CLASS OF, SIZE 1/2 INCH (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA50431-OFBZC10 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-50431 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MILC3486CLASS0F (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 9 known substitutes for 4730-00-277-5680: 4730-00-277-5676, 4730-00-277-5681, 4730-00-277-6159 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for AA50431, CLASS OF, SIZE 1/2 INCH: Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Quick Disconnect Nominal Size: 0.781 INCHES ALL ENDS IN; End Item Identification: NAVAL APPLICATIONS; Quick Disconnect Method: TWIST-LOCK ALL ENDS. 14 total characteristics are documented in the Federal Logistics Information System.