The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-235-3163, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-235-3163 |
| Primary Part Number | 68484-8-26 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Fastener Length | 2.125 INCHES MINIMUM AND 2.172 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | STSBS000 FSCM 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.490 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | H-11 STSBS000 FSCM 98897 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN |
| Width Between Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Grip Diameter | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 132000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.985 INCHES MINIMUM AND 2.017 INCHES MAXIMUM 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 |
|---|---|
| 68484-8-26 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 11797A08D026 | Reid Products Inc. Dba Reid Products Inc (USA) |
| VAL23611-8DS026 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1041A8D026 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC2263A08D026 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| BM3200-8A026D | 5/9 Secondary reference U.S. Government activity |
| VS2978A08D026 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| STSBG000A08D026 | 5/2 Secondary reference U.S. Government activity |
| VS2978A08D026 | 5/9 Secondary reference U.S. Government activity |
| STSBG000A08D026 | 3/2 Design control — primary reference U.S. Government activity |
| BM3200-8A026D | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5306-01-235-3163 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-235-3163 has 5 manufacturer part numbers on file: 68484-8-26 (Sps Technologies, Llc Dba PB Fasteners), 11797A08D026 (Reid Products Inc. Dba Reid Products Inc), VAL23611-8DS026 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF1041A8D026 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC2263A08D026 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for 68484-8-26: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN; Fastener Length: 2.125 INCHES MINIMUM AND 2.172 INCHES MAXIMUM IN. 21 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.