The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-332-3173, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-332-3173 |
| Primary Part Number | AIC2263A04D017 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.164 INCHES NOMINAL IN |
| Fastener Length | 1.355 INCHES NOMINAL IN |
| Thread Length | 0.293 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | CETYL ALCOHOL LUBRICANT |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.062 INCHES NOMINAL IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE AND NICKEL AND CADMIUM OVERALL |
| Minimum Tensile Strength | 132000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.230 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| AIC2263A04D017 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| STSBG000A04D017 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VAL23611-4DS017 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| VS2978A04D017 | Howmet Global Fastening Systems Inc (USA) |
| STSBG000A04D017 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 11797A04D017 | Reid Products Inc. Dba Reid Products Inc (USA) |
| PBF1041A4D017 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BM3200-4A017D | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| STSBG000A04D017 | 5/2 Secondary reference U.S. Government activity |
| 68484-4-017 | 5/9 Secondary reference Bogen Photo Corp |
| STSBG000A04D017 | 3/2 Design control — primary reference U.S. Government activity |
| BM3200-4A017D | 5/9 Secondary reference U.S. Government activity |
| VS2978A04D017 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-332-3173 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-332-3173 has 8 manufacturer part numbers on file: AIC2263A04D017 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), STSBG000A04D017 (Sps Technologies, Llc Dba PB Fasteners), VAL23611-4DS017 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), VS2978A04D017 (Howmet Global Fastening Systems Inc), STSBG000A04D017 (Reid Products Inc. Dba Reid Products Inc) and 3 more.
Key specifications for AIC2263A04D017: Head Height: 0.164 INCHES NOMINAL IN; Fastener Length: 1.355 INCHES NOMINAL IN; Thread Length: 0.293 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.076 INCHES NOMINAL FIRST HOLE IN. 18 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.