The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-481-1269, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-481-1269 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Special Test Features | SUBJECT TO COMBINED LOW TEMPERATURE QUALIFICATION TEST |
| Mating End Identification | AIR-LOCK, COUPLING HALF, QUICK DISCONNECT, PART NO. C20745-1 |
| Style Designator | MALE COUPLING HALF |
| Features Provided | SELF-SEALING |
| Exterior Color | GREEN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 4730PL0741544 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C20744 | 7/2 Vendor item drawing reference U.S. Government activity |
| 10283-01 | 3/2 Design control — primary reference U.S. Government activity |
| C20744-1 | 5/2 Secondary reference U.S. Government activity |
| 4730PL1817669 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4730-01-481-1269 is a Coupling Half,quick Disconnect, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5133-01-697-6502. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-481-1269: Special Test Features: SUBJECT TO COMBINED LOW TEMPERATURE QUALIFICATION TEST; Mating End Identification: AIR-LOCK, COUPLING HALF, QUICK DISCONNECT, PART NO. C20745-1; Style Designator: MALE COUPLING HALF; Overall Length: 2.380 INCHES NOMINAL IN. 5 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.