LK21262-89
View detailed technical data, stock status, and sourcing information for: LK21262-89
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An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.
right-hand thread direction, 1.500 inches minimum thread length, flat chamfer head style, 2.000 inches nominal fastener length, 3a thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 1.500 inches minimum
- Fastener Length
- 2.000 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.735 inches minimum and 0.750 inches maximum
- Head Height
- 0.492 inches minimum and 0.500 inches maximum
- Locking Feature
- patch or pellet or strip threads
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.500 inches
- Width Across Flats
- 0.375 inches minimum and 0.379 inches maximum
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 130000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 6 type
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 324-1660-050 | Socket Head Cap Screw |
| LK21262-89 | Socket Head Cap Screw |
| MS21262-89 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-075-3270?
Does the NSN 5305-00-075-3270 have a Schedule B code assigned?
Does NSN 5305-00-075-3270 require demilitarization?
Does NSN 5305-00-075-3270 contain precious materials?
Does NSN 5305-00-075-3270 contain hazardous materials?
When the NSN 5305-00-075-3270 was assigned to the Federal Catalog?
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Pricing
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