The Bolt,shear, cataloged under National Stock Number 5306-01-562-7028, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lfc Industries, Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-562-7028 |
| Primary Part Number | 20-057-5-52D |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lfc Industries, Inc. |
| Status | ACTIVE |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 3.719 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE II. CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Material Document and Classification | MIL-B-7838 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.250 INCHES MAXIMUM IN |
| Width Between Flats | 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.312 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 20-057-5-52D | Lfc Industries, Inc. (USA) |
| 20-057-5-52D | Heartland Precision Fasteners Inc (USA) |
| 20-057-5-52D | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 20-057-5-52D | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 20-057-5-52D | Huck International, Inc (USA) |
| 20-057-5-52D | Saturn Fasteners Inc (USA) |
| 20-057-5-52D | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 5306PL1504635 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 20-057-5-52D | 5/2 Secondary reference U.S. Government activity |
| 20-057-5-52D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-562-7028 is a Bolt,shear, manufactured by Lfc Industries, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-562-7028 has 7 manufacturer part numbers on file: 20-057-5-52D (Lfc Industries, Inc.), 20-057-5-52D (Heartland Precision Fasteners Inc), 20-057-5-52D (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 20-057-5-52D (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 20-057-5-52D (Huck International, Inc) and 2 more.
Key specifications for 20-057-5-52D: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 3.719 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TYPE II. CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.469 INCHES NOMINAL IN. 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.