The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-276-5964, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bowes Mfg Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-276-5964 |
| Primary Part Number | 51494 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bowes Mfg Inc |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 0.500 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-276-5964 is a Coupling Half,quick Disconnect, manufactured by Bowes Mfg Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-276-5964 has 2 manufacturer part numbers on file: ED1313FEA (Rhine Air, Inc), 51494 (Bowes Mfg Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-296-8692. Verify interchangeability with system specifications before substitution.
Key specifications for 51494: Connection Style: PLAIN ALL ENDS; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.