The Bolt,shoulder, cataloged under National Stock Number 5306-00-687-6284, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-687-6284 |
| Primary Part Number | S6140-62150 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Head Height | 0.188 INCHES NOMINAL IN |
| Fastener Length | 4.109 INCHES NOMINAL IN |
| Shoulder Length | 2.500 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.344 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.076 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.953 INCHES NOMINAL 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 |
|---|---|
| S6140-62150-0 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S6140-62150 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5306-00-687-6284 is a Bolt,shoulder, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-687-6284 has 2 manufacturer part numbers on file: S6140-62150-0 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S6140-62150 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6140-62150: Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 4.109 INCHES NOMINAL IN; Shoulder Length: 2.500 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.3737 INCHES MINIMUM AND 0.3742 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.