The Clamp,hose, cataloged under National Stock Number 4730-01-265-0965, 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 The Boeing Company Div Defense. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-265-0965 |
| Primary Part Number | ST9M540-91 |
| Item Name | Clamp,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastening Device Type | SLOTTED HEXAGON HEAD SCREW |
| Style Designator | WIRE |
| Inside Diameter | 2.406 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| ST9M540-91 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| WWD91 | 5/1 Secondary reference The Boeing Company Div Defense |
NSN 4730-01-265-0965 is a Clamp,hose, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-265-0965 has 1 manufacturer part number on file: ST9M540-91 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-364-5625. Verify interchangeability with system specifications before substitution.
Key specifications for ST9M540-91: Fastening Device Type: SLOTTED HEXAGON HEAD SCREW; Style Designator: WIRE; Overall Width: 0.500 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN; Inside Diameter: 2.406 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN. 4 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.