The Bolt,u, cataloged under National Stock Number 5306-00-514-9407, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Regal Air, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-514-9407 |
| Primary Part Number | 0642154 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Regal Air, Inc. |
| Status | ACTIVE |
| Inside Distance Between Shanks | 1.750 INCHES NOMINAL IN |
| Thread Length | 0.600 INCHES MINIMUM IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Distance From Inside Center of Bend to Bolt End | 2.600 INCHES NOMINAL IN |
| Style Designator | SQUARE BEND |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 0642154 PRIMARY | Regal Air, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5306L19-004 | 5/2 Secondary reference U.S. Government activity |
| 0642154 | 5/9 Secondary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 5306-00-514-9407 is a Bolt,u, manufactured by Regal Air, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-514-9407 has 1 manufacturer part number on file: 0642154 (Regal Air, Inc.).
Key specifications for 0642154: Inside Distance Between Shanks: 1.750 INCHES NOMINAL IN; Thread Length: 0.600 INCHES MINIMUM IN; Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL; Distance From Inside Center of Bend to Bolt End: 2.600 INCHES NOMINAL IN. 14 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.