The Clamp,hose, cataloged under National Stock Number 4730-01-345-1077, 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 Ho-Ho-Kus, Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-345-1077 |
| Primary Part Number | HK9C09D-72 |
| Item Name | Clamp,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ho-Ho-Kus, Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Fastening Device Type | SLOTTED HEXAGON HEAD SCREW |
| Style Designator | WIRE |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Inside Diameter | 1.813 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OVERALL |
| Material | STEEL COMP 410 SCREW |
| 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 |
|---|---|
| HK9C09D-72 PRIMARY | Ho-Ho-Kus, Inc (USA) |
| 9428H B | Norma Pennsylvania Inc. Div Breeze Industrial Products (USA) |
| Reference | Meaning |
|---|---|
| 9428 | 5/9 Secondary reference Norma Pennsylvania Inc. Div Breeze Industrial Products |
| 9D0021-72 | 5/2 Secondary reference U.S. Government activity |
| 2948-72 | 5/9 Secondary reference Wittek Companies Intl Inc |
| 9D0021 | D/9 Drawing number reference only U.S. Government activity |
| WWD72HS | 5/9 Secondary reference Wittek Companies Intl Inc |
NSN 4730-01-345-1077 is a Clamp,hose, manufactured by Ho-Ho-Kus, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-345-1077 has 2 manufacturer part numbers on file: HK9C09D-72 (Ho-Ho-Kus, Inc), 9428H B (Norma Pennsylvania Inc. Div Breeze Industrial Products).
2 possible matches (shared part number, not a government interchangeability claim): 6530-01-380-3863, 5963-01-486-8688. Verify interchangeability with system specifications before substitution.
Key specifications for HK9C09D-72: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Fastening Device Type: SLOTTED HEXAGON HEAD SCREW; Style Designator: WIRE; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.