The Bolt,machine, cataloged under National Stock Number 5306-01-595-7545, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-595-7545 |
| Primary Part Number | CA18391-55 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Head Height | 0.015 INCHES NOMINAL IN |
| Fastener Length | 5.234 INCHES MINIMUM AND 5.325 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-415 TYPE II CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5825 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | HEXAGON |
| Grip Length | 5.219 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Grip Diameter | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL 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 |
|---|---|
| CA18391-55 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5306-01-595-7545 is a Bolt,machine, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-595-7545 has 1 manufacturer part number on file: CA18391-55 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA18391-55: Head Height: 0.015 INCHES NOMINAL IN; Fastener Length: 5.234 INCHES MINIMUM AND 5.325 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-415 TYPE II CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL; Material Document and Classification: MIL-S-5825 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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.