The Bolt,shoulder, cataloged under National Stock Number 5306-00-531-0774, 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. Government technical data includes 19 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 | 5306-00-531-0774 |
| Primary Part Number | 50644-17 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| Fastener Length | 2.751 INCHES MINIMUM AND 2.813 INCHES MAXIMUM IN |
| Shoulder Length | 1.954 INCHES MINIMUM AND 2.001 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.8729 INCHES MINIMUM AND 0.8737 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.812 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | MIL-S-7108 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.033 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 230000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.566 INCHES MINIMUM AND 2.598 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| 50644-17 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5306-00-531-0774 is a Bolt,shoulder, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-531-0774 has 1 manufacturer part number on file: 50644-17 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 50644-17: Head Height: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN; Fastener Length: 2.751 INCHES MINIMUM AND 2.813 INCHES MAXIMUM IN; Shoulder Length: 1.954 INCHES MINIMUM AND 2.001 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.8729 INCHES MINIMUM AND 0.8737 INCHES MAXIMUM FIRST SHOULDER IN. 19 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.