The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-00-707-4728, 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 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-707-4728 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.375 INCHES FIRST FLUID END CONNECTION IN |
| Nominal Thread Size | 0.375 INCHES SECOND FLUID END CONNECTION IN |
| Material | STEEL OVERALL |
| Quick Disconnect Method | TWIST-LOCK ALL ENDS |
| Thread Series Designator | NPTF SECOND FLUID END CONNECTION |
| Thread Series Designator | NPTF 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 |
|---|---|
| Y25 | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
| 3000-3 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| 9795 | 3/9 Design control — primary reference Bosch Automotive Service Solutions Inc. |
| Y25 | C/1 Advisory reference — outside the item-of-supply concept Guerney Wholesale Inc Sub of Advanced Consumer Marketing Corp |
NSN 4730-00-707-4728 is a Coupling Assembly,quick Disconne, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5820-00-917-2299, 4931-01-102-9177, 5330-01-207-9390. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-707-4728: Connection Style: PLAIN FIRST FLUID END CONNECTION; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Connection Type: THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY. 11 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.