The Bolt,shoulder, cataloged under National Stock Number 5306-00-660-3136, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-660-3136 |
| Primary Part Number | 8-26957 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.090 INCHES NOMINAL IN |
| Head Height | 0.385 INCHES NOMINAL IN |
| Fastener Length | 2.075 INCHES NOMINAL IN |
| Shoulder Length | 1.570 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | MIL-N-26074 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.062 INCHES NOMINAL IN |
| Shoulder Diameter | 0.8740 INCHES MINIMUM AND 0.8745 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.505 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4340 OVERALL |
| Hole Quantity | 2 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.075 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 |
|---|---|
| 8-26957 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 8-26957 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
NSN 5306-00-660-3136 is a Bolt,shoulder, manufactured by Raytheon Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-660-3136 has 1 manufacturer part number on file: 8-26957 (Raytheon Company).
Key specifications for 8-26957: Extended Washer Thickness: 0.090 INCHES NOMINAL IN; Head Height: 0.385 INCHES NOMINAL IN; Fastener Length: 2.075 INCHES NOMINAL IN; Shoulder Length: 1.570 INCHES NOMINAL FIRST SHOULDER IN. 24 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.