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Worldwide distributor of NSN parts and consumables located in the USA.

Hexagon Head Cap Screw

Model / MPN: 803-510 | NSN: 5305-01-283-3603
ITAR Registered seal

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 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.

Product Details
NATO Stock Number
5305-01-283-3603
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Fastener Length
1.000 inches
Head Style
Hexagon
Head Height
0.359 inches
Width Between Flats
0.812 inches
Thread Diameter
0.562 inches
Thready Qty Per Inch (tpi)
12
Min. Tensile Strength (psi)
120000 pounds per square inch
Hardness Rating
23.0 rockwell c and 32.0 rockwell c
Material
Steel comp 1040
Material Specification
Sae grade 5 assn standard single material response
Surface Treatment
Zinc and dichromate
Thread Series Designator
Unc

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803-510 Cross Reference
  • 170-510
  • 903-510