NSN 5305-01-503-8648
Tap Bolt
4.250 inches fastener length, hexagon head style, between 0.378 inches and 0.403 inches head height, width between flats: between 0.922 inches and 0.938 inches .
Manufacturer part number 124-6938645 PART 312 for national stock number 5305015038648.
Datasheet
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Product description
Hexagon Head Cap Screw NSN 5305-01-503-8648.
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MPN or Model
124-6938645 PART 312
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
096640 - Screws, Iron Or Steel -
Thread Class
2a -
Thread Direction
Right-hand -
Thread Length
4.250 inches -
Fastener Length
4.250 inches -
Head Style
Hexagon -
Head Height
Between 0.378 inches and 0.403 inches -
Width Between Flats
Between 0.922 inches and 0.938 inches -
End Application
Door horiz sl -
Thread Diameter
0.625 inches -
Thready Qty Per Inch (tpi)
11 -
Material
Steel -
Material Specification
Saej995; grade 5 assn standard single material response -
Surface Treatment
Zinc -
Thread Series Designator
Unc
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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.
![Mechanic Bill explains Tap Bolt](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5305-01-503-8648 hexagon head cap screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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124-6938645 PART 312 | Naval Sea Systems Command |
124-6938645 PART 312 | Huntington Ingalls Incorporated |
Stock Check
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