The Bolt,u, cataloged under National Stock Number 5306-01-408-1952, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Am General Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-408-1952 |
| Primary Part Number | RCSK16058-1 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Inside Distance Between Shanks | 2.562 INCHES NOMINAL IN |
| Thread Length | 3.375 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 9.875 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| 12448490 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| RCSK16058-1 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| RCSK16058 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5306-01-408-1952 is a Bolt,u, manufactured by Am General Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-408-1952 has 2 manufacturer part numbers on file: 12448490 (U S Army Tank Automotive Command Amsta-Im-Mm), RCSK16058-1 (Am General Llc).
Key specifications for RCSK16058-1: Inside Distance Between Shanks: 2.562 INCHES NOMINAL IN; Thread Length: 3.375 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 9.875 INCHES NOMINAL IN; Style Designator: ROUND BEND. 11 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.