The Bolt,shear, cataloged under National Stock Number 5306-01-337-6965, 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 23 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-337-6965 |
| Primary Part Number | BACB30MR9R21 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Extended Washer Thickness | 0.128 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Head Height | 0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Fastener Length | 2.137 INCHES MINIMUM AND 2.167 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BAC 5861 CAGEC 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Thread Length | 0.840 INCHES NOMINAL IN |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Features Provided | CETYL ALCOHOL LUBRICANT |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN |
| Width Between Flats | 0.625 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Grip Diameter | 0.5610 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | TITANIUM ALLOY UNS R56400 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 |
|---|---|
| BACB30MR9R21 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30MR9R21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MR9R21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30MR9R21 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30MR9R21 | 5/2 Secondary reference U.S. Government activity |
| BACB30MR9R21 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BACB30MR9R21 | 5/2 Secondary reference U.S. Government activity |
| BACB30MR9R21 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30MR9R21 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-337-6965 is a Bolt,shear, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-337-6965 has 4 manufacturer part numbers on file: BACB30MR9R21 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30MR9R21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30MR9R21 (Sps Technologies, Llc Dba PB Fasteners), BACB30MR9R21 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for BACB30MR9R21: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Extended Washer Thickness: 0.128 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN. 23 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.