The Bolt,machine, cataloged under National Stock Number 5306-00-853-6535, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Universal Engineering Corp.. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-853-6535 |
| Primary Part Number | A540A101 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Universal Engineering Corp. |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 4.125 INCHES NOMINAL IN |
| Thread Length | 2.875 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.312 INCHES NOMINAL IN |
| 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 |
|---|---|
| A540A101 PRIMARY | Universal Engineering Corp. (USA) |
NSN 5306-00-853-6535 is a Bolt,machine, manufactured by Universal Engineering Corp., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-853-6535 has 1 manufacturer part number on file: A540A101 (Universal Engineering Corp.).
Key specifications for A540A101: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 4.125 INCHES NOMINAL IN; Thread Length: 2.875 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES 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.