The Bolt,shoulder, cataloged under National Stock Number 5306-01-395-2123, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-395-2123 |
| Primary Part Number | SC5081-20-56P |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.703 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN |
| Fastener Length | 5.301 INCHES MINIMUM AND 5.341 INCHES MAXIMUM IN |
| Shoulder Length | 3.625 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.368 INCHES MINIMUM AND 1.374 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.686 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.990 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OR CHROMATE AND CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| SC5081-20-56P PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 3D0124-20-56 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-395-2123 is a Bolt,shoulder, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-395-2123 has 1 manufacturer part number on file: SC5081-20-56P (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for SC5081-20-56P: Head Height: 0.703 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN; Fastener Length: 5.301 INCHES MINIMUM AND 5.341 INCHES MAXIMUM IN; Shoulder Length: 3.625 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 1.368 INCHES MINIMUM AND 1.374 INCHES MAXIMUM FIRST SHOULDER IN. 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.