The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-223-5303, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-223-5303 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.380 INCHES NOMINAL IN |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Head Height | 1.380 INCHES NOMINAL IN |
| Fastener Length | 3.520 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.156 INCHES NOMINAL IN |
| Thread Length | 1.400 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | FILLISTER EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 863T2180200-003 | 3/9 Design control — primary reference Lockheed Martin Corp |
NSN 5306-01-223-5303 is a Bolt,internal Wrenching, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-223-5303: Extended Washer Thickness: 0.380 INCHES NOMINAL IN; Width Across Flats: 0.500 INCHES NOMINAL IN; Head Height: 1.380 INCHES NOMINAL IN; Fastener Length: 3.520 INCHES NOMINAL IN. 16 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.