The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-369-4604, 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13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-369-4604 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | GASKET SEAL FIRST FLUID END CONNECTION |
| Nominal Inside Diameter Hose Accommodated | 4.000 INCHES ALL ENDS IN |
| Nominal Inside Diameter Hose Accommodated | 4.000 INCHES FIRST FLUID END CONNECTION IN |
| Connection Type | THREADED INTERNAL HOSE FIRST FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Leg Length | 3.938 INCHES NOMINAL IN |
| Features Provided | SAFETY LOCKING FEATURE |
| Nominal Thread Size | 4.000 INCHES FIRST FLUID END CONNECTION IN |
| Nominal Outside Diameter | 4.703 INCHES IN |
| Thread Quantity Per Inch | 6 FIRST FLUID END CONNECTION |
| Material | COPPER ALLOY OVERALL |
| Quick Disconnect Method | CAM-LOCKING ALL ENDS |
| Thread Series Designator | NH FIRST FLUID END CONNECTION |
| 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 |
|---|---|
| FF5186-64-64 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| 1907078PC22 | 5/2 Secondary reference U.S. Government activity |
| 375711 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-369-4604 is a Coupling Assembly,quick Disconne, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-152-7670. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-369-4604: Connection Style: GASKET SEAL FIRST FLUID END CONNECTION; Nominal Inside Diameter Hose Accommodated: 4.000 INCHES ALL ENDS IN; Nominal Inside Diameter Hose Accommodated: 4.000 INCHES FIRST FLUID END CONNECTION IN; Connection Type: THREADED INTERNAL HOSE FIRST FLUID END CONNECTION. 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.