The Bolt,machine, cataloged under National Stock Number 5306-01-067-2412, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Knight Aerospace Products, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-067-2412 |
| Primary Part Number | 20B819 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Knight Aerospace Products, Inc. |
| Status | ACTIVE |
| Head Height | 0.844 INCHES NOMINAL IN |
| Fastener Length | 11.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 10.063 INCHES MINIMUM AND 10.187 INCHES MAXIMUM IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 1.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.813 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Width Between Flats | 2.125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 6 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 20B819 PRIMARY | Knight Aerospace Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 20B819 | 5/9 Secondary reference Page Avjet Support Equipment Corp |
NSN 5306-01-067-2412 is a Bolt,machine, manufactured by Knight Aerospace Products, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-067-2412 has 1 manufacturer part number on file: 20B819 (Knight Aerospace Products, Inc.).
Key specifications for 20B819: Head Height: 0.844 INCHES NOMINAL IN; Fastener Length: 11.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 10.063 INCHES MINIMUM AND 10.187 INCHES MAXIMUM IN. 15 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.