The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-289-4243, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-289-4243 |
| Primary Part Number | MILC3486CLASS0M |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Connection Style | PLAIN ALL ENDS |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | NPT ALL ENDS |
| Leg Length | 0.750 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | O.M. CLASS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | MIL-C-3486,TB 1 MIL SPEC SINGLE MATERIAL RESPONSE BODY TB |
| Quick Disconnect Nominal Size | 1.016 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILC3486CLASS0M | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| A-A-50431 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA50431, CLASS OM, SZ 3/4IN | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 4730-00-289-4243 is a Coupling Half,quick Disconnect, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-289-4243 has 3 cross-referenced part numbers: MILC3486CLASS0M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-50431 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA50431, CLASS OM, SZ 3/4IN (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
There are 10 known substitutes for 4730-00-289-4243: 4730-00-277-5676, 4730-00-277-5680, 4730-00-277-5681 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILC3486CLASS0M: Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Quick Disconnect Method: TWIST-LOCK ALL ENDS; Connection Style: PLAIN ALL ENDS; Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN. 14 total characteristics are documented in the Federal Logistics Information System.