5306-99-121-2502
Machine Bolt
5306991212502 991212502 A109-21G 28DU17986 21G A109
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. View more Machine Bolt
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Managed by United Kingdom
NSN Created on 25 Apr 1991
Data Last Changed
January 2023
January 2023
NATO Update Count
1
1
NATO Data Quality

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Restrictions 5306-99-121-2502
Approved Sources 5306-99-121-2502
- Part Number
- Manufacturer
- Status
- A109-21G
- Manufacturer
- K7766 - Bsi Standards Limited (Active)
- Definitive Standard
- Definitive Standard
- 28DU17986
- U1725 - Ministry Of Defence (Air) (Domestic (Active)
- NATO Reference
- NATO Reference
- 21G
- K7766 - Bsi Standards Limited (Active)
- NATO Reference
- NATO Reference
- A109
- K7766 - Bsi Standards Limited (Active)
- NATO Reference
- NATO Reference
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