The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-469-1973, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-469-1973 |
| Primary Part Number | A111-8G |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Bsi Standards Limited |
| Status | ACTIVE |
| Head Height | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Fastener Length | 1.450 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN |
| Thread Length | 0.537 INCHES MINIMUM AND 0.607 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.883 INCHES MINIMUM AND 0.913 INCHES MAXIMUM IN |
| Width Between Flats | 0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Grip Diameter | 0.3118 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| A111-8G PRIMARY | Bsi Standards Limited (GBR) |
| A111-8G PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| A111-8G | 5/9 Secondary reference Society of British Aerospace Companies Ltd (sbac) |
| 99-9415894 | 6/9 Informative reference only U.S. Government activity |
NSN 5306-00-469-1973 is a Bolt,close Tolerance, manufactured by Bsi Standards Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-469-1973 has 2 manufacturer part numbers on file: A111-8G (Bsi Standards Limited), A111-8G (Sae International Dba Sae International).
Key specifications for A111-8G: Head Height: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Fastener Length: 1.450 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN; Thread Length: 0.537 INCHES MINIMUM AND 0.607 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.312 INCHES IN. 14 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.