The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-520-5799, 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 Clayton Associates Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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 | 4730-01-520-5799 |
| Primary Part Number | 940-011 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Clayton Associates Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 940-011 PRIMARY | Clayton Associates Inc (USA) |
NSN 4730-01-520-5799 is a Coupling Half,quick Disconnect, manufactured by Clayton Associates Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-520-5799 has 1 manufacturer part number on file: 940-011 (Clayton Associates Inc).
1 possible match (shared part number, not a government interchangeability claim): 6145-01-664-9324. Verify interchangeability with system specifications before substitution.
Key specifications for 940-011: Special Features: (INAVY) COUPLING,HOSE 0.25 INCH IN; Part Name Assigned by Controlling Agency: AIR COUPLER; End Item Identification: VACUUM SANDING SYSTEM; Material: COPPER ALLOY BODY. 1 specification is 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.