The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-405-6154, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Leach International Corp Div Leach International Corporation. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-405-6154 |
| Primary Part Number | 11-10178 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Leach International Corp Div Leach International Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Head Height | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Fastener Length | 2.470 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-F-14072,FINISH NO. E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.145 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.880 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.308 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 |
| Part Number | Manufacturer |
|---|---|
| 11-10178 PRIMARY | Leach International Corp Div Leach International Corporation (USA) |
| Reference | Meaning |
|---|---|
| 11-10178 | 5/9 Secondary reference Lockheed Electronics Co Inc Information Engineering Div |
NSN 5306-00-405-6154 is a Bolt,internal Wrenching, manufactured by Leach International Corp Div Leach International Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-405-6154 has 1 manufacturer part number on file: 11-10178 (Leach International Corp Div Leach International Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5307-01-273-7534, 9340-01-551-3180. Verify interchangeability with system specifications before substitution.
Key specifications for 11-10178: Width Across Flats: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN; Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Fastener Length: 2.470 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-14072,FINISH NO. E300,TY 2 MIL 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.