The Bolt,machine, cataloged under National Stock Number 5306-01-459-3144, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-459-3144 |
| Primary Part Number | S3S14770336 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Airlines |
| Status | ACTIVE |
| Head Height | 0.378 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A307 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Width Between Flats | 0.906 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN |
| Grip Diameter | 0.642 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| S3S14770336 | Rolls-Royce Airlines (GBR) |
| Reference | Meaning |
|---|---|
| ANSI B.18.2.1.5/8UNCX2/1.T2.S | 3/2 Design control — primary reference U.S. Government activity |
| S3S14770336 | 5/9 Secondary reference Rolls-Royce Plc Div Defense (europe) |
NSN 5306-01-459-3144 is a Bolt,machine, manufactured by Rolls-Royce Airlines, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-459-3144 has 1 manufacturer part number on file: S3S14770336 (Rolls-Royce Airlines).
Key specifications for S3S14770336: Head Height: 0.378 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN; Fastener Length: 2.000 INCHES NOMINAL IN; Thread Length: 1.500 INCHES NOMINAL IN; Material Document and Classification: ASTM A307 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.