The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-249-2793, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-249-2793 |
| Primary Part Number | STSBG000A10D026 |
| 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 | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Fastener Length | 2.241 INCHES MINIMUM AND 2.288 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | STSBS0000 CAGEC98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.606 INCHES MINIMUM AND 0.673 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | STSBS000 CAGEC 98897 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 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 | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Grip Diameter | 0.623 INCHES MINIMUM AND 0.624 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 | 18 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.122 INCHES MINIMUM AND 2.154 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 |
|---|---|
| PBF1041A10D026 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC2263A10D026 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| STSBG000A10D026 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VAL23611-10DS026 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 11797A10D026 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 11797A10026 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| BM3200-10A026D | 5/9 Secondary reference U.S. Government activity |
| STSBG000A10D026 | 5/2 Secondary reference U.S. Government activity |
| STSBG000A10D026 | 7/2 Vendor item drawing reference U.S. Government activity |
| BM3200-10A026D | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| STSBG000A10D026 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-249-2793 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-249-2793 has 5 manufacturer part numbers on file: PBF1041A10D026 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC2263A10D026 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), STSBG000A10D026 (Sps Technologies, Llc Dba PB Fasteners), VAL23611-10DS026 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 11797A10D026 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for STSBG000A10D026: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Fastener Length: 2.241 INCHES MINIMUM AND 2.288 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.