The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-543-5987, 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 Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4730-01-543-5987 |
| Primary Part Number | 602840401 |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt |
| Status | ACTIVE |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Quick Disconnect Nominal Size | 4.000 INCHES ALL ENDS IN |
| Quick Disconnect Method | CAM-LOCKING 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 |
NSN 4730-01-543-5987 is a Coupling Assembly,quick Disconne, manufactured by Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-543-5987 has 2 manufacturer part numbers on file: 602840401 (Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt), 300025 (West Electronics Inc).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-612-5411. Verify interchangeability with system specifications before substitution.
Key specifications for 602840401: Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Quick Disconnect Nominal Size: 4.000 INCHES ALL ENDS IN; Special Features: COUPLING COME WITH 2, 4 INCH DUST CAPS IN; End Item Identification: SUPPLY POINT FUEL SYSTEM. 3 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.