The Bolt,machine, cataloged under National Stock Number 5306-01-124-7685, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-124-7685 |
| Primary Part Number | 74834764-5 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Head Height | 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Fastener Length | 5.340 INCHES MINIMUM AND 5.560 INCHES MAXIMUM IN |
| Thread Length | 2.250 INCHES NOMINAL IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.250 INCHES NOMINAL IN |
| Width Between Flats | 1.410 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 9 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 74834764-5 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 4834764-5 | 5/9 Secondary reference Kalmar AC Inc |
NSN 5306-01-124-7685 is a Bolt,machine, manufactured by Kalmar AC Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-124-7685 has 1 manufacturer part number on file: 74834764-5 (Kalmar AC Inc).
Key specifications for 74834764-5: Head Height: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN; Fastener Length: 5.340 INCHES MINIMUM AND 5.560 INCHES MAXIMUM IN; Thread Length: 2.250 INCHES NOMINAL IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL. 14 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.