The Clamp,hose, cataloged under National Stock Number 4730-01-112-0539, 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 Norma Pennsylvania Inc. Div Breeze Industrial Products. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-112-0539 |
| Primary Part Number | HTM 450 L B |
| Item Name | Clamp,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Norma Pennsylvania Inc. Div Breeze Industrial Products |
| Status | ACTIVE |
| Fastening Device Type | SLOTTED HEXAGON HEAD SCREW |
| Style Designator | WIRE |
| Inside Diameter | 3.484 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BAND |
| Surface Treatment | ZINC OR CADMIUM SCREW |
| Material | STEEL SCREW |
| Material | STEEL CORROSION RESISTING BAND |
| 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 |
|---|---|
| HTM 450 L B PRIMARY | Norma Pennsylvania Inc. Div Breeze Industrial Products (USA) |
| Reference | Meaning |
|---|---|
| HTM450L | 5/9 Secondary reference Breeze-Eastern Llc |
| HTM450L | 3/9 Design control — primary reference Norma Pennsylvania Inc. Div Breeze Industrial Products |
| UT-462L | 5/9 Secondary reference Wittek Companies Intl Inc |
NSN 4730-01-112-0539 is a Clamp,hose, manufactured by Norma Pennsylvania Inc. Div Breeze Industrial Products, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-112-0539 has 1 manufacturer part number on file: HTM 450 L B (Norma Pennsylvania Inc. Div Breeze Industrial Products).
Key specifications for HTM 450 L B: Fastening Device Type: SLOTTED HEXAGON HEAD SCREW; Style Designator: WIRE; Overall Width: 0.620 INCHES NOMINAL IN; Inside Diameter: 3.484 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN. 7 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.