The Bolt,welding, cataloged under National Stock Number 5306-01-160-3934, 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 13 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 | 5306-01-160-3934 |
| Primary Part Number | 5L8957 |
| Item Name | Bolt,welding |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Head Height | 2.6 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM MM |
| Fastener Length | 24.60 MILLIMETERS MINIMUM AND 25.40 MILLIMETERS MAXIMUM MM |
| Thread Length | 21.6 MILLIMETERS MINIMUM AND 22.4 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Welding Projection Quantity | 1 BEARING SURFACE OF HEAD |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 21.6 MILLIMETERS MINIMUM AND 22.4 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 5L8957 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5306-01-160-3934 is a Bolt,welding, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-160-3934 has 1 manufacturer part number on file: 5L8957 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5L8957: Head Height: 2.6 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM MM; Fastener Length: 24.60 MILLIMETERS MINIMUM AND 25.40 MILLIMETERS MAXIMUM MM; Thread Length: 21.6 MILLIMETERS MINIMUM AND 22.4 MILLIMETERS MAXIMUM MM; Nominal Thread Diameter: 0.375 INCHES IN. 13 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.