The Bolt,machine, cataloged under National Stock Number 5306-01-186-3446, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-186-3446 |
| Primary Part Number | 5P8048 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Head Height | 0.210 MILLIMETERS MINIMUM AND 0.220 MILLIMETERS MAXIMUM MM |
| Fastener Length | 57.15 MILLIMETERS NOMINAL MM |
| Thread Length | 25.40 MILLIMETERS MINIMUM AND 57.15 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | SAEGR8 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 14.29 MILLIMETERS NOMINAL MM |
| Locking Feature | PATCH THREADS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| 5P8048 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5306-01-186-3446 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-186-3446 has 1 manufacturer part number on file: 5P8048 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5P8048: Head Height: 0.210 MILLIMETERS MINIMUM AND 0.220 MILLIMETERS MAXIMUM MM; Fastener Length: 57.15 MILLIMETERS NOMINAL MM; Thread Length: 25.40 MILLIMETERS MINIMUM AND 57.15 MILLIMETERS MAXIMUM MM; Material Document and Classification: SAEGR8 ASSN STD ALL MATERIAL RESPONSES 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.