The Bolt,shoulder, cataloged under National Stock Number 5306-00-133-0023, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Airlines. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-133-0023 |
| Primary Part Number | BLT8031 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Airlines |
| Status | ACTIVE |
| Head Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Fastener Length | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Shoulder Length | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Length | 0.290 INCHES MINIMUM AND 0.340 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.5901 INCHES NOMINAL SECOND SHOULDER IN |
| Thread Length | 0.515 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.780 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNJS |
| Head Diameter | 1.090 INCHES MINIMUM AND 1.110 INCHES MAXIMUM 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 |
|---|---|
| BLT8031 | Rolls-Royce Airlines (GBR) |
| Reference | Meaning |
|---|---|
| 6865650-6 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Airlines |
| 6865650-6 | 3/9 Design control — primary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5306-00-133-0023 is a Bolt,shoulder, manufactured by Rolls-Royce Airlines, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-133-0023 has 1 manufacturer part number on file: BLT8031 (Rolls-Royce Airlines).
Key specifications for BLT8031: Head Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Fastener Length: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN; Shoulder Length: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Length: 0.290 INCHES MINIMUM AND 0.340 INCHES MAXIMUM SECOND SHOULDER 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.