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Cross Reference

These part numbers have the same form, fit, and function as 20807
Item Number Cage
20807 81142
1075-2032 F1978

Technical Definition

Bolt, Machine, also referenced with federal logistics item name code 01847 - 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.

20807

Description: Machine Bolt
Mfr. Cage F1978

Specification

Thread Length: 11/16", Fastener Length: 7/8", Thread: 7/16-14, Grip Length: 3/16", steel overall

AAJD Thread Class
3a
AAJF Thread Direction
Right-hand
AASA Thread Length
0.688 inches minimum
AASB Fastener Length
0.875 inches
AASK Head Style
Hexagon
AASU Head Height
From 0.272" and 0.291"
AATB Width Between Flats
From 0.612" and 0.625"
AHYM Nominal Thread Diameter
0.438 inches
ANEE Grip Length
0.187 inches maximum
CBBL Features Provided
Finished head
CMLP Thready Qty Per Inch (tpi)
14
MATT Material
Steel
THSD Thread Series Designator
Unc
National Stock Number (NSN): 5306-00-001-8925

Last Modified: 02/14/2017