The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-958-8385, 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 Div PB Fasteners. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-958-8385 |
| Primary Part Number | STSBG003A12U024 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Extended Washer Thickness | 0.152 INCHES NOMINAL IN |
| Head Height | 0.806 INCHES NOMINAL IN |
| Fastener Length | 2.799 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.415 INCHES MINIMUM AND 1.425 INCHES MAXIMUM IN |
| Thread Length | 1.299 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.500 INCHES NOMINAL IN |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Grip Diameter | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| STSBG003A12U024 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11699A12U024 | Reid Products Inc. Dba Reid Products Inc (USA) |
| STSBG003A12U024 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| STSBG003A12U024 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| STSBG003A12U024 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| STSBG003A12U024 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| LS5995-12-24 | 5/9 Secondary reference U.S. Government activity |
| STSBG003A12U024 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-958-8385 is a Bolt,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-958-8385 has 6 manufacturer part numbers on file: STSBG003A12U024 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 11699A12U024 (Reid Products Inc. Dba Reid Products Inc), STSBG003A12U024 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), STSBG003A12U024 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), STSBG003A12U024 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for STSBG003A12U024: Extended Washer Thickness: 0.152 INCHES NOMINAL IN; Head Height: 0.806 INCHES NOMINAL IN; Fastener Length: 2.799 INCHES NOMINAL IN; Extended Washer Diameter: 1.415 INCHES MINIMUM AND 1.425 INCHES MAXIMUM 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.