The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-157-8364, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Bsi Standards Limited. Government technical data includes 11 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 | 5306-01-157-8364 |
| Primary Part Number | AS26814 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Bsi Standards Limited |
| Status | ACTIVE |
| Head Height | 0.150 INCHES NOMINAL IN |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Thread Length | 0.470 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.512 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 |
|---|---|
| AS26814 PRIMARY | Bsi Standards Limited (GBR) |
NSN 5306-01-157-8364 is a Bolt,close Tolerance, manufactured by Bsi Standards Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-157-8364 has 1 manufacturer part number on file: AS26814 (Bsi Standards Limited).
Key specifications for AS26814: Head Height: 0.150 INCHES NOMINAL IN; Fastener Length: 0.875 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN; Thread Length: 0.470 INCHES NOMINAL IN. 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.