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

Assembled Washer Screw

Model / MPN: 425640 | NSN: 5305-00-042-5640
ITAR Registered seal

A screw, (as modified) to which has been assembled one or more nonremovable washe (s) .

Product Details
NATO Stock Number
5305-00-042-5640
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.636 inches and 0.719 inches
Fastener Length
Between 0.719 inches and 0.750 inches
Head Style
Hexagon
Head Height
Between 0.208 inches and 0.230 inches
Width Between Flats
Between 0.489 inches and 0.500 inches
Washer Quantity
1
Internal Drive Style
Slot
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Primary Washer Outside Diameter
Between 0.567 inches and 0.590 inches
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
Between 0.028 inches and 0.034 inches
Material
Steel comp 1020 or steel comp 1050
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification 1st treatment response or qq-z-325, type 1, cl 3 federal specification 2nd treatment response
Thread Series Designator
Unf
42564 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E215TH670 Screw, Assembled Was 16700 EA 09/24/2015

Pricing and Availability

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425640 Cross Reference
  • 425640
  • 425640
  • 425640
  • 425640
  • 000425640
  • 5305000425640