The Bolt,shear, cataloged under National Stock Number 5306-01-453-0050, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Federal Manufacturing Corp. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-453-0050 |
| Primary Part Number | BACB30US20-74Y |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| Extended Washer Thickness | 0.259 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| Head Height | 1.145 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN |
| Fastener Length | 6.495 INCHES MINIMUM AND 6.525 INCHES MAXIMUM IN |
| Extended Washer Diameter | 1.484 INCHES MINIMUM AND 1.517 INCHES MAXIMUM IN |
| Thread Length | 1.823 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.687 INCHES NOMINAL IN |
| Width Between Flats | 1.297 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Grip Diameter | 1.2787 INCHES MINIMUM AND 1.2802 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| 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 |
|---|---|
| BACB30US20-74Y | Federal Manufacturing Corp (USA) |
| BACB30US20-74Y | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30US20-74Y | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30US20-74Y | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACB30US20-74Y | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| BACB30US20-74Y | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-453-0050 is a Bolt,shear, manufactured by Federal Manufacturing Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-453-0050 has 5 manufacturer part numbers on file: BACB30US20-74Y (Federal Manufacturing Corp), BACB30US20-74Y (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), BACB30US20-74Y (Sps Technologies, Llc Dba PB Fasteners), BACB30US20-74Y (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACB30US20-74Y (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for BACB30US20-74Y: Extended Washer Thickness: 0.259 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN; Head Height: 1.145 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN; Fastener Length: 6.495 INCHES MINIMUM AND 6.525 INCHES MAXIMUM IN; Extended Washer Diameter: 1.484 INCHES MINIMUM AND 1.517 INCHES MAXIMUM IN. 17 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.