The Bolt,u, cataloged under National Stock Number 5306-01-076-4897, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-076-4897 |
| Primary Part Number | 20B449 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Knight Aerospace Products, Inc. |
| Status | ACTIVE |
| Inside Distance Between Shanks | 2.438 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN |
| Distance From Inside Center of Bend to Bolt End | 3.125 INCHES MINIMUM AND 3.249 INCHES MAXIMUM IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1018 OR STEEL COMP 1020 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 |
|---|---|
| 20B449 PRIMARY | Knight Aerospace Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 20B449 | 5/9 Secondary reference Page Avjet Support Equipment Corp |
NSN 5306-01-076-4897 is a Bolt,u, manufactured by Knight Aerospace Products, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-076-4897 has 1 manufacturer part number on file: 20B449 (Knight Aerospace Products, Inc.).
Key specifications for 20B449: Inside Distance Between Shanks: 2.438 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN; Distance From Inside Center of Bend to Bolt End: 3.125 INCHES MINIMUM AND 3.249 INCHES MAXIMUM IN. 12 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.