The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-152-5509, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-152-5509 |
| Primary Part Number | VS2979A08D024 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.281 INCHES NOMINAL IN |
| Fastener Length | 2.045 INCHES MINIMUM AND 2.092 INCHES MAXIMUM IN |
| Thread Length | 0.545 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | H-11 STSBS00119887 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.500 INCHES NOMINAL 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 | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 156000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.905 INCHES MINIMUM AND 1.937 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 |
|---|---|
| VS2979A08D024 | Howmet Global Fastening Systems Inc (USA) |
| AIC2264A08D024 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| STSBG001A08D024 | Houston Precision Fasteners I Lp (USA) |
| STSBG001A08D024 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 11701A08D024 | Reid Products Inc. Dba Reid Products Inc (USA) |
| STSBG001A08D024 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VAL23602-8DS024 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1042A8D024 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| STSBG001A08D024 | John Hassall Llc Dba Sky Aerospace Products (USA) |
| Reference | Meaning |
|---|---|
| STSBG001A08D024 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| STSBG001A08D024 | 5/9 Secondary reference B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace |
| BM3210-8A024D | 5/9 Secondary reference Huck International, Inc |
| 68485-8-024 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS2979A08D024 | 5/9 Secondary reference U.S. Government activity |
| 68485-8-024 | 5/9 Secondary reference U.S. Government activity |
| BM3210-8A024D | 5/9 Secondary reference U.S. Government activity |
| STSBG001A08D024 | 3/2 Design control — primary reference U.S. Government activity |
| 95229-8-024 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-152-5509 is a Bolt,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-152-5509 has 9 manufacturer part numbers on file: VS2979A08D024 (Howmet Global Fastening Systems Inc), AIC2264A08D024 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), STSBG001A08D024 (Houston Precision Fasteners I Lp), STSBG001A08D024 (Reid Products Inc. Dba Reid Products Inc), 11701A08D024 (Reid Products Inc. Dba Reid Products Inc) and 4 more.
Key specifications for VS2979A08D024: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.281 INCHES NOMINAL IN; Fastener Length: 2.045 INCHES MINIMUM AND 2.092 INCHES MAXIMUM IN. 20 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.