The Bolt,shoulder, cataloged under National Stock Number 5306-00-428-2134, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 17 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 | 5306-00-428-2134 |
| Primary Part Number | PB146-1S1 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Head Height | 0.219 INCHES NOMINAL IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Shoulder Length | 0.812 INCHES NOMINAL FIRST SHOULDER IN |
| Distance From Centerline to Flat | 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.406 INCHES MINIMUM AND 0.408 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 3135 OR STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.562 INCHES NOMINAL IN |
| 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 |
|---|---|
| PB146-1S1 PRIMARY | Wisconsin Motors, Llc (USA) |
NSN 5306-00-428-2134 is a Bolt,shoulder, manufactured by Wisconsin Motors, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-428-2134 has 1 manufacturer part number on file: PB146-1S1 (Wisconsin Motors, Llc).
Key specifications for PB146-1S1: Head Height: 0.219 INCHES NOMINAL IN; Fastener Length: 2.000 INCHES NOMINAL IN; Shoulder Length: 0.812 INCHES NOMINAL FIRST SHOULDER IN; Distance From Centerline to Flat: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN. 17 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.