The Bolt,machine, cataloged under National Stock Number 5306-00-426-2884, 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 18 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-426-2884 |
| Primary Part Number | L2090 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Head Height | 0.641 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN |
| Fastener Length | 3.750 INCHES NOMINAL IN |
| Thread Length | 1.812 INCHES MINIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-1222,GR 8 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.938 INCHES NOMINAL IN |
| Width Between Flats | 1.293 INCHES MINIMUM AND 1.313 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 8 GRADE |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 145000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL 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 |
|---|---|
| L2090 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| L2090 | 5/9 Secondary reference Pettibone Westrac |
| 0013006-2 | 3/2 Design control — primary reference U.S. Government activity |
| 0013006 | 5/2 Secondary reference U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| 013006 | 5/2 Secondary reference U.S. Government activity |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
NSN 5306-00-426-2884 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-426-2884 has 1 manufacturer part number on file: L2090 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for L2090: Head Height: 0.641 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN; Fastener Length: 3.750 INCHES NOMINAL IN; Thread Length: 1.812 INCHES MINIMUM IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. 18 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.