The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-451-8653, 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 General Dynamics Land Systems Canadacorp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-451-8653 |
| Primary Part Number | 10653243-4 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Connection Style | GROOVED FIRST FLUID END CONNECTION |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST FLUID END CONNECTION IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 200.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 40.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | BRASS OVERALL |
| Quick Disconnect Method | PUSH-PULL 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 |
| Part Number | Manufacturer |
|---|---|
| 10653243-4 | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 3205646 | 7/9 Vendor item drawing reference Oshkosh Corp |
| 3205646 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 62PMT-10 | 3/2 Design control — primary reference U.S. Government activity |
| 62PTC-10 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-451-8653 is a Coupling Assembly,quick Disconne, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-451-8653 has 1 manufacturer part number on file: 10653243-4 (General Dynamics Land Systems Canadacorp).
Key specifications for 10653243-4: Connection Style: GROOVED FIRST FLUID END CONNECTION; Connection Type: UNTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY; Overall Length: 2.500 INCHES NOMINAL IN. 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.