The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-066-6535, 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 Amfs American Fleet Services. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-066-6535 |
| Primary Part Number | SM371 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Amfs American Fleet Services |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Style Designator | FEMALE COUPLING HALF |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Surface Treatment | ZINC BODY |
| Material | STEEL BODY |
| Quick Disconnect Method | PUSH-LOCK ALL ENDS |
| Thread Series Designator | NPTF 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 |
|---|---|
| SM371 PRIMARY | Amfs American Fleet Services (USA) |
| SM-251-6FP PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA) |
| 202648 | Wiba Zevenaar B.v. (NLD) |
| Reference | Meaning |
|---|---|
| 7608-103 | 5/9 Secondary reference U.S. Government activity |
| SM-251-6FP | 5/9 Secondary reference U.S. Government activity |
| SM371 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-066-6535 is a Coupling Half,quick Disconnect, manufactured by Amfs American Fleet Services, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-066-6535 has 3 manufacturer part numbers on file: SM371 (Amfs American Fleet Services), SM-251-6FP (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 202648 (Wiba Zevenaar B.v.).
Key specifications for SM371: Connection Style: PLAIN ALL ENDS; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Style Designator: FEMALE COUPLING HALF. 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.