The Bolt,machine, cataloged under National Stock Number 5306-00-068-8699, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-068-8699 |
| Primary Part Number | 135B6131 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Head Height | 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Fastener Length | 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN |
| Thread Length | 1.469 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.375 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 135B6131 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5306-00-068-8699 is a Bolt,machine, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-068-8699 has 1 manufacturer part number on file: 135B6131 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 135B6131: Head Height: 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Fastener Length: 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN; Thread Length: 1.469 INCHES MAXIMUM IN; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL. 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.