The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-135-2519, 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 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-135-2519 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | GASKET SEAL ALL ENDS |
| Nominal Inside Diameter Hose Accommodated | 3.000 INCHES ALL ENDS IN |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | THREADED INTERNAL HOSE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE AND QQ-C-390 FED SPEC 2ND MATERIAL RESPONSE AND QQ-B-626 FED SPEC 3RD MATERIAL RESPONSE BODY |
| Leg Length | 1.125 INCHES NOMINAL IN |
| Nominal Thread Size | 3.000 INCHES ALL ENDS IN |
| Surface Treatment | OXIDE FILM BODY |
| Material | COPPER ALLOY BODY |
| Quick Disconnect Method | CAM-LOCKING ALL ENDS |
| Thread Series Designator | NPSH 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 |
| Reference | Meaning |
|---|---|
| A300A | 5/9 Secondary reference Econosto Nederland |
| MS70095-6 | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-01-135-2519 is a Coupling Half,quick Disconnect, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-135-2519: Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: GASKET SEAL ALL ENDS; Nominal Inside Diameter Hose Accommodated: 3.000 INCHES ALL ENDS IN; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS. 13 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.