5305-00-018-0121
Find complete technical information, availability, and procurement data for: 5305-00-018-0121
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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, 0.844 inches minimum and 0.875 inches maximum thread length, right-hand thread direction, 0.844 inches minimum and 0.906 inches maximum fastener 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
- 0.844 inches minimum and 0.875 inches maximum
- Fastener Length
- 0.844 inches minimum and 0.906 inches maximum
- Head Style
- hexagon
- Head Height
- 0.226 inches minimum and 0.243 inches maximum
- Width Between Flats
- 0.551 inches minimum and 0.562 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity Per Inch
- 16
- Minimum Tensile Strength
- 120000 pounds per square inch
- Hardness Rating
- 25.0 rockwell c minimum and 34.0 rockwell c maximum overall
- Minimum Yield Strength
- 92000 pounds per square inch
- Material
- steel overall
- Material Document And Classification
- sae j429,grade 5 assn std single material response overall
- Surface Treatment
- dichromate zinc overall
- Surface Treatment Document And Classification
- qq-z-325,type 2,class 2 fed spec single treatment response overall
- Thread Series Designator
- unc
- Specification/Standard Data
- 81348-ff-s-85 government specification and 24617-180121 manufacturers standard
- Nondefinitive Spec/Std Data
- 2 type and 10p style and 3/8-16in. size
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-021-4697 | No Name Available | 01/01/1989 |
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FAQs
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When the NSN 5305-00-018-0121 was assigned to the Federal Catalog?
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