The Bolt,shear, cataloged under National Stock Number 5306-01-598-0785, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-598-0785 |
| Primary Part Number | 3M1275E4D8A |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.925 INCHES NOMINAL IN |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Grip Diameter | 0.265 INCHES NOMINAL IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | UNJF-3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.502 INCHES NOMINAL 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 |
|---|---|
| 3M1275E4D8A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1275E4D8A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1275E4D8A | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 11857E4D8A | Reid Products Inc. Dba Reid Products Inc (USA) |
NSN 5306-01-598-0785 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-598-0785 has 4 manufacturer part numbers on file: 3M1275E4D8A (The Boeing Company Div Defense), 3M1275E4D8A (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 3M1275E4D8A (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc), 11857E4D8A (Reid Products Inc. Dba Reid Products Inc).
Key specifications for 3M1275E4D8A: Fastener Length: 0.925 INCHES NOMINAL IN; Thread Length: 0.425 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: FLAT COUNTERSUNK. 14 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.