The Bolt,machine, cataloged under National Stock Number 5306-01-476-5349, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-476-5349 |
| Primary Part Number | 6650682 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 3.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35;AFTERFABRICATION FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Thread Length | 3.250 INCHES MAXIMUM IN |
| Material Document and Classification | MS35307-372CRES MIL STD 1ST MATERIAL RESPONSE OR 304 MFR REF 2ND MATERIAL RESPONSE OR 316 MFR REF 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING 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 |
NSN 5306-01-476-5349 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-476-5349 has 2 manufacturer part numbers on file: 6650682 (Naval Sea Systems Command), 6086284 (Naval Sea Systems Command).
Key specifications for 6650682: Fastener Length: 3.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35;AFTERFABRICATION FED SPEC 1ST TREATMENT RESPONSE OVERALL; Thread Length: 3.250 INCHES MAXIMUM IN; Material Document and Classification: MS35307-372CRES MIL STD 1ST MATERIAL RESPONSE OR 304 MFR REF 2ND MATERIAL RESPONSE OR 316 MFR REF 3RD MATERIAL RESPONSE OVERALL. 13 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.