331421
View detailed technical data, stock status, and sourcing information for: 331421
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An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
2a thread class, right-hand thread direction, 2.130 inches minimum and 2.160 inches maximum fastener length, 0.980 inches minimum and 1.010 inches maximum thread length, hexagon head style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.980 inches minimum and 1.010 inches maximum
- Fastener Length
- 2.130 inches minimum and 2.160 inches maximum
- Head Style
- hexagon
- Head Height
- 0.362 inches minimum and 0.383 inches maximum
- Width Between Flats
- 0.736 inches minimum and 0.750 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 150000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
- Minimum Yield Strength
- 130000 pounds per square inch
- Material
- steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall
- Material Document And Classification
- sae assn std all material responses overall
- Thread Series Designator
- unrf
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 |
|---|---|
| 331421 | Hexagon Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-160-2006?
Does the NSN 5305-01-160-2006 have a Schedule B code assigned?
Does NSN 5305-01-160-2006 require demilitarization?
Does NSN 5305-01-160-2006 contain precious materials?
Does NSN 5305-01-160-2006 contain hazardous materials?
When the NSN 5305-01-160-2006 was assigned to the Federal Catalog?
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