The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-348-6020, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-348-6020 |
| Primary Part Number | 03A095-8-39 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.251 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Fastener Length | 3.108 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.438 INCHES MINIMUM AND 2.454 INCHES MAXIMUM IN |
| Width Between Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Grip Diameter | 0.4986 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.978 INCHES MINIMUM AND 2.994 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| LB58-8-39 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 03A095-8-39 PRIMARY | Hi-Shear Corporation (USA) |
| 03A095-8-39 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 03A095-8-39 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LB58-8-39 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| AS402-8-39 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-348-6020 is a Bolt,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-348-6020 has 5 manufacturer part numbers on file: LB58-8-39 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 03A095-8-39 (Hi-Shear Corporation), 03A095-8-39 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 03A095-8-39 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LB58-8-39 (Hi-Shear Corporation).
Key specifications for 03A095-8-39: Head Height: 0.251 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Fastener Length: 3.108 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. 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.