The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-262-2199, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-262-2199 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 6.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.000 INCHES NOMINAL IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | SQUARE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 518881-7 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 51881-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-262-2199 is a Bolt,internal Wrenching, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5365-01-696-1682. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-01-262-2199: Width Across Flats: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 6.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.