The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-289-4247, 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 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-289-4247 |
| Primary Part Number | A-A-50431 |
| 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 |
| Style Designator | MALE COUPLING HALF |
| Nominal Inside Diameter Hose Accommodated | 0.500 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Nondefinitive Spec/std Data | H.F. CLASS |
| Material Document and Classification | MIL-C-3486,TB 1 MIL SPEC SINGLE MATERIAL RESPONSE BODY TB |
| Quick Disconnect Nominal Size | 0.781 INCHES ALL ENDS IN |
| Leg Length | 1.125 INCHES MINIMUM IN |
| Connection Style | BARBED OR SERRATED END ALL ENDS |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A-A-50431 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA50431 CLASS H.F.-1/2 INCH | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA50431-HFBZC00 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| MILC3486 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-00-289-4247 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 4730-00-289-4247 has 4 cross-referenced part numbers: A-A-50431 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA50431 CLASS H.F.-1/2 INCH (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA50431-HFBZC00 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MILC3486 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 4730-00-289-4247: 4730-00-277-5675, 4730-00-277-5676, 4730-00-277-5677 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A-A-50431: Style Designator: MALE COUPLING HALF; Nominal Inside Diameter Hose Accommodated: 0.500 INCHES ALL ENDS IN; Material: COPPER ALLOY BODY; Nondefinitive Spec/std Data: H.F. CLASS. 12 total characteristics are documented in the Federal Logistics Information System.