The Bolt,machine, cataloged under National Stock Number 5306-01-475-5222, 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 8 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 | 5306-01-475-5222 |
| Primary Part Number | 124-4322621 PC 213 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-Z-3258 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | MIL-B-857 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A A |
| 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 |
|---|---|
| 124-4322621 PC 213 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-475-5222 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-475-5222 has 1 manufacturer part number on file: 124-4322621 PC 213 (Naval Sea Systems Command).
Key specifications for 124-4322621 PC 213: Surface Treatment Document and Classification: QQ-Z-3258 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.000 INCHES NOMINAL IN; Material Document and Classification: MIL-B-857 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.500 INCHES IN. 8 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.