The Bolt,machine, cataloged under National Stock Number 5306-01-171-3405, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 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 | 5306-01-171-3405 |
| Primary Part Number | 5032775 PIECE 213 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 1.176 INCHES MINIMUM AND 1.263 INCHES MAXIMUM IN |
| Fastener Length | 1.820 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN |
| Thread Length | 1.666 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN |
| Hardness Rating | 54.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.9880 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| Width Between Flats | 2.900 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| 5032775 PIECE 213 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-171-3405 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-171-3405 has 1 manufacturer part number on file: 5032775 PIECE 213 (Naval Sea Systems Command).
Key specifications for 5032775 PIECE 213: Head Height: 1.176 INCHES MINIMUM AND 1.263 INCHES MAXIMUM IN; Fastener Length: 1.820 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN; Thread Length: 1.666 INCHES MINIMUM AND 2.180 INCHES MAXIMUM IN; Hardness Rating: 54.0 ROCKWELL C NOMINAL OVERALL. 16 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.