The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-277-5681, 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 Ball a C Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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 | 4730-00-277-5681 |
| Primary Part Number | MILC3486 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Ball a C Co |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Material | COPPER ALLOY BODY |
| Connection Style | PLAIN ALL ENDS |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Nondefinitive Spec/std Data | OF CLASS |
| Quick Disconnect Nominal Size | 0.750 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILC3486 | Ball a C Co (USA) |
| MIL-C-3486 | Dvcc, Llc (USA) |
| AA50431-OMBZE10 | 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 |
| MILC3486 | Dixon Valve & Coupling Company, Llc (USA) |
| A-A-50431 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 4730-00-277-5681 is a Coupling Half,quick Disconnect, manufactured by Ball a C Co, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-277-5681 has 6 cross-referenced part numbers: MILC3486 (Ball a C Co), MIL-C-3486 (Dvcc, Llc), AA50431-OMBZE10 (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), MILC3486 (Dixon Valve & Coupling Company, Llc) and 1 more.
There are 12 known substitutes for 4730-00-277-5681: 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 MILC3486: Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Style Designator: MALE COUPLING HALF; Leg Length: 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.