NSN 5305-01-539-0643
Tap Bolt
Partially threaded;rockwell hardness c33-c39.
Manufacturer part number 91257A555 for national stock number 5305015390643.
Datasheet
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Product description
Hexagon Head Cap Screw NSN 5305-01-539-0643.
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MPN or Model
91257A555
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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
Between 0.750 inches and 1.000 inches -
Fastener Length
3.250 inches -
Head Style
Hexagon -
Head Height
0.156 inches -
Width Between Flats
0.438 inches -
End Application
2510-01-533-9110, armor kit, d7g -
Thread Diameter
0.250 inches -
Thready Qty Per Inch (tpi)
20 -
Min. Tensile Strength (psi)
150000 pounds per square inch -
Part Name Assigned By Controlling Agency
Grade 8 zinc-plated alloy steel hex head cap screw -
Color
Yellow -
Material
Steel -
Surface Treatment
Zinc alloy -
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 5305-01-539-0643 hexagon head cap screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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91257A555 | Mcmaster-carr Supply Company |
Stock Check
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