The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-193-9072, 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 15 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 | 5306-00-193-9072 |
| Primary Part Number | A111-3E |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Bsi Standards Limited |
| Status | ACTIVE |
| Head Height | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 0.900 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Thread Length | 0.499 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Material Document and Classification | A.111,FSCM K7766 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.300 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN |
| Width Between Flats | 0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Grip Diameter | 0.2493 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| A111-3E PRIMARY | Bsi Standards Limited (GBR) |
NSN 5306-00-193-9072 is a Bolt,close Tolerance, manufactured by Bsi Standards Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-193-9072 has 1 manufacturer part number on file: A111-3E (Bsi Standards Limited).
Key specifications for A111-3E: Head Height: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 0.900 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN; Thread Length: 0.499 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Material Document and Classification: A.111,FSCM K7766 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL. 15 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.