The Bolt,shear, cataloged under National Stock Number 5306-01-600-4272, 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 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-600-4272 |
| Primary Part Number | 3M1275E4D11A |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.113 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 | 0.688 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 |
|---|---|
| TX1026E4D11XA | Howmet Global Fastening Systems Inc (USA) |
| 3M1275E4D11A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1026E4D11XA | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M1275E4D11A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| TX1026E4D11XA | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M1275E4D11A | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| TX1026E4D11XA | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1026E4D11XA | Huck International, Inc (USA) |
| TX1026E4D11XA | Hi-Shear Corporation (USA) |
| 3M1275E4D11A | Saturn Fasteners Inc (USA) |
| 3M1275E4D11A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1275E4D11A | Houston Precision Fasteners I Lp (USA) |
| WC1275E4D11A | West Coast Aerospace, Inc. (USA) |
| 11875E4D11A | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1026E4D11XA | 5/2 Secondary reference U.S. Government activity |
| TX1026E4D11XA | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-600-4272 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-600-4272 has 14 manufacturer part numbers on file: TX1026E4D11XA (Howmet Global Fastening Systems Inc), 3M1275E4D11A (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), TX1026E4D11XA (Sps Technologies, Llc Dba PB Fasteners), 3M1275E4D11A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), TX1026E4D11XA (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 9 more.
Key specifications for 3M1275E4D11A: Fastener Length: 0.113 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.