The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-386-3535, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-386-3535 |
| Primary Part Number | VAL23029-8-12 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Fastener Length | 1.383 INCHES MINIMUM AND 1.430 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.649 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Width Between Flats | 0.844 INCHES MINIMUM IN |
| Grip Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 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 |
|---|---|
| VAL23029-8-12 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MB61-8-12 PRIMARY | Hi-Shear Corporation (USA) |
| FIT7047-8-12 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| SL252-8-12 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| ST3M453-8-12 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HP5453-8-12 | Heartland Precision Fasteners Inc (USA) |
| MB61-8-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| WC453-8-12 | West Coast Aerospace, Inc. (USA) |
| ST3M453-8-12 | Houston Precision Fasteners I Lp (USA) |
| PBF1253-8-12 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC753-8-12 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M453-8-12 | Saturn Fasteners Inc (USA) |
| GS1016-8-12 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| S11-1060-8-12 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 11825-8-12 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 109453-8-12 | 3/2 Design control — primary reference U.S. Government activity |
| BM17019-8-12 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BM17019-8-12 | 5/9 Secondary reference U.S. Government activity |
| KS3020-8-12 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| S353-8-12 | 5/9 Secondary reference U.S. Government activity |
| VS3204-8-12 | 5/9 Secondary reference U.S. Government activity |
| ST3M453-8-12 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M453-8-12 | 5/2 Secondary reference U.S. Government activity |
| S353-8-12 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3204-8-12 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
NSN 5306-01-386-3535 is a Bolt,close Tolerance, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-386-3535 has 15 manufacturer part numbers on file: VAL23029-8-12 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), MB61-8-12 (Hi-Shear Corporation), FIT7047-8-12 (Fastener Innovation Technology, Inc. Dba F I T), SL252-8-12 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), ST3M453-8-12 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc) and 10 more.
Key specifications for VAL23029-8-12: Head Height: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN; Fastener Length: 1.383 INCHES MINIMUM AND 1.430 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.649 INCHES NOMINAL 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.