5305-00-113-6251
Find complete technical information, availability, and procurement data for: 5305-00-113-6251
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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.
0.532 inches minimum thread length, hexagon extended washer head style, 0.594 inches minimum and 0.625 inches maximum fastener length, right-hand thread direction, 2a 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.532 inches minimum
- Fastener Length
- 0.594 inches minimum and 0.625 inches maximum
- Head Style
- hexagon extended washer
- Head Height
- 0.266 inches minimum and 0.289 inches maximum
- Width Between Flats
- 0.491 inches minimum and 0.500 inches maximum
- Extended Washer Diameter
- 0.686 inches minimum and 0.706 inches maximum
- Extended Washer Thickness
- 0.086 inches maximum
- Locking Feature
- locking teeth bearing surface of head
- Nominal Thread Diameter
- 0.312 inches
- Features Provided
- casehardened
- Thread Quantity Per Inch
- 18
- Hardness Rating
- 80.0 rockwell superficial 15-n minimum overall
- Material
- steel comp 1018 overall
- Material Document And Classification
- sae assn std single material response overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-798-7074 | No Name Available | 01/01/2018 |
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 |
|---|---|
| 2HP430 | Hexagon Head Cap Screw |
FAQs
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Does NSN 5305-00-113-6251 contain precious materials?
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When the NSN 5305-00-113-6251 was assigned to the Federal Catalog?
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