The Bolt,machine, cataloged under National Stock Number 5306-00-522-4264, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Carrier Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-522-4264 |
| Primary Part Number | 5H40-1041 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 2.531 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Length | 0.750 INCHES MINIMUM IN |
| Hardness Rating | 301.0 BRINELL STANDARD MINIMUM AND 353.0 BRINELL STANDARD MAXIMUM OVERALL |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4032 OR STEEL COMP 4037 OR STEEL COMP 8637 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5H40-1041 PRIMARY | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 280855260-5H40-1041 | 5/1 Secondary reference Noske-Kaeser Germany Gmbh |
| 5306PL1495616 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-00-522-4264 is a Bolt,machine, manufactured by Carrier Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-522-4264 has 1 manufacturer part number on file: 5H40-1041 (Carrier Corp).
Key specifications for 5H40-1041: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 2.531 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Thread Length: 0.750 INCHES MINIMUM IN. 15 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.