The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-090-4108, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-090-4108 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Width Across Flats | 0.751 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Head Height | 1.125 INCHES NOMINAL IN |
| Fastener Length | 4.110 INCHES MINIMUM AND 4.140 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.475 INCHES MINIMUM AND 1.525 INCHES MAXIMUM IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON FLATS |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.050 INCHES NOMINAL IN |
| Head Diameter | 1.865 INCHES MINIMUM AND 1.875 INCHES MAXIMUM 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 |
|---|---|
| MS20018H42 | 5/9 Secondary reference U.S. Government activity |
| MS20018H42 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-090-4108 is a Bolt,internal Wrenching, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-090-4108: Width Across Flats: 0.751 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN; Head Height: 1.125 INCHES NOMINAL IN; Fastener Length: 4.110 INCHES MINIMUM AND 4.140 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 21 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.