The Bolt,shear, cataloged under National Stock Number 5306-01-600-4278, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-600-4278 |
| Primary Part Number | 3M1275E5D7A |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.907 INCHES NOMINAL IN |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Material Document and Classification | AMS-5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.438 INCHES NOMINAL IN |
| Grip Diameter | 0.3271 INCHES MINIMUM AND 0.3276 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 | 24 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.6230 INCHES MINIMUM AND 0.6335 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 |
|---|---|
| 3M1275E5D7A | Huck International, Inc (USA) |
| 3M1275E5D7A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1275E5D7A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1275E5D7A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1275E5D7A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1275E5D7A | Heartland Precision Fasteners Inc (USA) |
| 3M1275E5D7A | Camcar Llc Div Camcar Llc (USA) |
| 3M1275E5D7A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M1275E5D7A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1275E5D7A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M1275E5D7A | Linread Ltd (GBR) |
| 3M1275E5D7A | Howmet Global Fastening Systems Inc (USA) |
| 3M1275E5D7A | Saturn Fasteners Inc (USA) |
| 3M1275E5D7A | Hi-Shear Corporation (USA) |
| 3M1275E5D7A | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| 3M1275E5D7A | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-600-4278 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-600-4278 has 15 manufacturer part numbers on file: 3M1275E5D7A (Huck International, Inc), 3M1275E5D7A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M1275E5D7A (The Boeing Company Div Defense), 3M1275E5D7A (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 3M1275E5D7A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 10 more.
Key specifications for 3M1275E5D7A: Fastener Length: 0.907 INCHES NOMINAL IN; Thread Length: 0.469 INCHES NOMINAL IN; Material Document and Classification: AMS-5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.313 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.