The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-656-8160, 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 15 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-656-8160 |
| Primary Part Number | STSBG001A09U024 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.328 INCHES NOMINAL IN |
| Fastener Length | 2.142 INCHES NOMINAL IN |
| Thread Length | 0.642 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.5625 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.500 INCHES NOMINAL IN |
| Width Between Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Grip Diameter | 0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE AND NICKEL AND CADMIUM OVERALL |
| Minimum Tensile Strength | 156000 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) |
| 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 |
|---|---|
| STSBG001A09U024 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| STSBG001A09U024 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| STSBG001A09U024 | Reid Products Inc. Dba Reid Products Inc (USA) |
| STSBG001A09U024 | Houston Precision Fasteners I Lp (USA) |
| STSBG001A09U024 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| STSBG001A09U024 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| STSBG001A09U024 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| STSBG001 | D/9 Drawing number reference only U.S. Government activity |
| STSBG001A09U024 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-656-8160 is a Bolt,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-656-8160 has 7 manufacturer part numbers on file: STSBG001A09U024 (Sps Technologies, Llc Dba PB Fasteners), STSBG001A09U024 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), STSBG001A09U024 (Reid Products Inc. Dba Reid Products Inc), STSBG001A09U024 (Houston Precision Fasteners I Lp), STSBG001A09U024 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 2 more.
7 possible matches (shared part number, not a government interchangeability claim): 5306-01-656-8181, 5306-01-656-8377, 5306-01-656-8384. Verify interchangeability with system specifications before substitution.
Key specifications for STSBG001A09U024: Head Height: 0.328 INCHES NOMINAL IN; Fastener Length: 2.142 INCHES NOMINAL IN; Thread Length: 0.642 INCHES NOMINAL IN; Nominal Thread Diameter: 0.5625 INCHES IN. 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.