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

Clamp Bolt Assembly

Model / MPN: 21953-1 | NSN: 5340-01-066-9671
ITAR Registered seal

A threaded item having an eye on one end designed to accommodate a hinge pin, or a pin inserted at right angles to the shank. It must have an adjusting nut assembled on the threads. The end of the threads may be headed, or a cap nut or similar device attached to prevent disassembly of the adjusting nut. It may also have a washer, collar or retainer assembled between the nut and hinge mounted end. Includes items having a bracket or lug mounting. It is used to rigidly clamp items to a structure, instrument, or the like.

Product Details
NATO Stock Number
5340-01-066-9671
Sold in multiples of
5 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.000 inches
Mounting Method
Pin
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel comp 316 handle or aluminum alloy 2024 handle
Material
Steel comp 316 screw
Style Designator
Knurled no. 2
Thread Series Designator
Unf
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E715Q0461 Bolt Assembly, Clamp 2 EA 05/29/2015
SPE5E716TB614 Bolt Assembly, Clamp 567 EA 07/07/2016
SPE5E318T0820 Bolt Assembly, Clamp 170 EA 10/27/2017
SPE5EM19T0373 Bolt Assembly, Clamp 170 EA 10/17/2018
SPE5E319T6707 Bolt Assembly, Clamp 379 EA 01/14/2019
SPE5E819Q0232 Bolt Assembly, Clamp 379 EA 03/01/2019
SPE5E319T094D Bolt Assembly, Clamp 93 EA 04/09/2019
SPE5E320T7756 Bolt Assembly, Clamp 593 EA 04/30/2020
SPE5EJ21T5149 Bolt Assembly, Clamp 217 EA 04/02/2021

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21953-1 Cross Reference
  • M85731/1-3
  • MIL-F-85731/1-3
  • MS14108-3
  • 2065036-0501