The Bolt,u, cataloged under National Stock Number 5306-01-579-3263, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hendrickson Trailer Suspension Systems. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-579-3263 |
| Primary Part Number | A-21140 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hendrickson Trailer Suspension Systems |
| Status | ACTIVE |
| Style Designator | ROUND BEND |
| Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| A-21140 PRIMARY | Hendrickson Trailer Suspension Systems (USA) |
NSN 5306-01-579-3263 is a Bolt,u, manufactured by Hendrickson Trailer Suspension Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-579-3263 has 1 manufacturer part number on file: A-21140 (Hendrickson Trailer Suspension Systems).
Key specifications for A-21140: Style Designator: ROUND BEND; Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: U-BOLT/SPACE KIT; End Item Identification: HT230 TOP MOUNT SUSPENSION. 2 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.