The Bolt,u, cataloged under National Stock Number 5306-00-169-8434, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-169-8434 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Inside Distance Between Shanks | 5.630 INCHES NOMINAL IN |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Distance From Inside Center of Bend to Bolt End | 6.565 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Material Document and Classification | QQ-S-763,CL321 OR 347,CD OR CR FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| 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 |
| Reference | Meaning |
|---|---|
| 2588054 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-169-8434 is a Bolt,u, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1560-01-648-0307. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-169-8434: Inside Distance Between Shanks: 5.630 INCHES NOMINAL IN; Thread Length: 1.750 INCHES MINIMUM IN; Distance From Inside Center of Bend to Bolt End: 6.565 INCHES NOMINAL IN; Style Designator: ROUND BEND. 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.