The Bolt,machine, cataloged under National Stock Number 5306-00-253-7864, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-253-7864 |
| Primary Part Number | 8M2530 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.187 INCHES NOMINAL IN |
| Head Height | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Fastener Length | 1.219 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.738 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 1.099 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| 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 |
NSN 5306-00-253-7864 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-253-7864 has 2 manufacturer part numbers on file: 8M-2530 (Pon Equipment B.v.), 8M2530 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 8M2530: Extended Washer Thickness: 0.187 INCHES NOMINAL IN; Head Height: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Fastener Length: 1.219 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Extended Washer Diameter: 0.738 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. 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.