The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-563-4058, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 19 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 | 5306-00-563-4058 |
| Primary Part Number | 8511128 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Width Across Flats | 0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| Head Height | 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Fastener Length | 1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.344 INCHES MINIMUM IN |
| First Diameter From Head | 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.896 INCHES MINIMUM AND 0.916 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.339 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.615 INCHES MINIMUM AND 0.625 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 |
| Part Number | Manufacturer |
|---|---|
| 8511128 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5306-00-563-4058 is a Bolt,internal Wrenching, manufactured by Us Army Aviation and Missile Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-563-4058 has 1 manufacturer part number on file: 8511128 (Us Army Aviation and Missile Command).
Key specifications for 8511128: Width Across Flats: 0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN; Head Height: 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Fastener Length: 1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.