The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-383-6151, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lightning Bolt & Supply, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-383-6151 |
| Primary Part Number | FSC38241375 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lightning Bolt & Supply, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.219 INCHES NOMINAL IN |
| Fastener Length | 1.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562, TYPE II, CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.720 INCHES MINIMUM AND 0.780 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 |
|---|---|
| FSC38241375 PRIMARY | Lightning Bolt & Supply, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 272.376 116 | 7/2 Vendor item drawing reference Aeg Corp |
| 6620232-001 | 5/9 Secondary reference Raytheon Company |
| 6620232-001 | 5/9 Secondary reference Aeg Corp |
| 6620232-001 | 5/9 Secondary reference Naval Sea Systems Command |
| 16990-6F-22C | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-01-383-6151 is a Bolt,internal Wrenching, manufactured by Lightning Bolt & Supply, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-383-6151 has 1 manufacturer part number on file: FSC38241375 (Lightning Bolt & Supply, Inc.).
Key specifications for FSC38241375: Width Across Flats: 0.219 INCHES NOMINAL IN; Fastener Length: 1.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562, TYPE II, CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 1.000 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.