The Bolt,shear, cataloged under National Stock Number 5306-01-600-4520, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-600-4520 |
| Primary Part Number | 3M1275E4D4A |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.675 INCHES NOMINAL IN |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Material Document and Classification | AMS-5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.2500 INCHES NOMINAL IN |
| Grip Diameter | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| 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 | 0.4970 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM 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 |
|---|---|
| 11857E4D4A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1275E4D4A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1275E4D4A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1275E4D4A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1275E4D4A | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
NSN 5306-01-600-4520 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-600-4520 has 5 manufacturer part numbers on file: 11857E4D4A (Reid Products Inc. Dba Reid Products Inc), 3M1275E4D4A (The Boeing Company Div Defense), 3M1275E4D4A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M1275E4D4A (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 3M1275E4D4A (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc).
Key specifications for 3M1275E4D4A: Fastener Length: 0.675 INCHES NOMINAL IN; Thread Length: 0.425 INCHES NOMINAL IN; Material Document and Classification: AMS-5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.250 INCHES 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.