5305-01-263-9990
Find complete technical information, availability, and procurement data for: 5305-01-263-9990
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
2a thread class, 0.264 inches minimum and 0.295 inches maximum thread length, fillister head style, right-hand thread direction, 0.344 inches minimum and 0.375 inches maximum fastener length
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
- 0.264 inches minimum and 0.295 inches maximum
- Fastener Length
- 0.344 inches minimum and 0.375 inches maximum
- Head Style
- fillister
- Head Diameter
- 0.208 inches minimum and 0.226 inches maximum
- Head Height
- 0.111 inches minimum and 0.132 inches maximum
- Washer Quantity
- 1
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity Per Inch
- 32
- Hardness Rating
- 88.0 rockwell c minimum primary washer
- Primary Washer Outside Diameter
- 0.215 inches minimum and 0.225 inches maximum
- Primary Washer Style
- flat internal teeth
- Primary Washer Material Thickness
- 0.013 inches minimum and 0.018 inches maximum
- Part Name Assigned By Controlling Agency
- navy special project
- Material
- copper alloy 260 or copper alloy 270 or copper alloy 274 fastener
- Material
- copper alloy primary washer
- Material Document And Classification
- qq-w-321 comp 6,7,8 fed spec all material responses fastener
- Surface Treatment
- nickel fastener
- Surface Treatment
- nickel primary washer
- Thread Series Designator
- unc
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 |
|---|---|
| 10-101152-68 | Assembled Washer Screw |
| 410-2900105-2 | Assembled Washer Screw |
FAQs
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Does NSN 5305-01-263-9990 contain precious materials?
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When the NSN 5305-01-263-9990 was assigned to the Federal Catalog?
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