The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-323-4331, 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 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-323-4331 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | BEADED FIRST FLUID END CONNECTION |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Nominal Outside Diameter Tube Accommodated | 0.297 INCHES ALL ENDS IN |
| Nominal Outside Diameter Tube Accommodated | 0.156 INCHES FIRST FLUID END CONNECTION IN |
| Leg Length | 0.891 INCHES NOMINAL IN |
| Material | PLASTIC 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 |
| Reference | Meaning |
|---|---|
| 17-6444-0 | 3/9 Design control — primary reference Varityper Inc |
| 17-6-176444 | D/9 Drawing number reference only Varityper Inc |
NSN 4730-01-323-4331 is a Coupling Assembly,quick Disconne, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-323-4331: Connection Style: BEADED FIRST FLUID END CONNECTION; Connection Type: UNTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Connection Type: UNTHREADED EXTERNAL TUBE SECOND FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY. 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.