The Bolt,shear, cataloged under National Stock Number 5306-01-436-1348, 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 20 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-436-1348 |
| Primary Part Number | BACB30US7K31 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Head Height | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Fastener Length | 2.6555 INCHES MINIMUM AND 2.6855 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BMS10-85, TYPE 1, CAGEC 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.733 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.4375 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.9275 INCHES MINIMUM AND 1.9475 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Color | BLACK THREADS |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| BACB30US7K31 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30US7K31 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30US7K31 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| BACB30US7K31 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US7K31 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30US7K31 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30US7K31 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BACB30US7K31 | 5/9 Secondary reference U.S. Government activity |
| BACB30US7K31 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30US6K31 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BACB30US7K31 | 5/9 Secondary reference Federal Manufacturing Corp |
| BACB30US7K31 | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
NSN 5306-01-436-1348 is a Bolt,shear, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-436-1348 has 6 manufacturer part numbers on file: BACB30US7K31 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30US7K31 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30US7K31 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), BACB30US7K31 (Sps Technologies, Llc Dba PB Fasteners), BACB30US7K31 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries) and 1 more.
Key specifications for BACB30US7K31: Extended Washer Thickness: 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN; Head Height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Fastener Length: 2.6555 INCHES MINIMUM AND 2.6855 INCHES MAXIMUM IN; Surface Treatment Document and Classification: BMS10-85, TYPE 1, CAGEC 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.