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

Assembled Washe Self-locking Nut

Model / MPN: MS21224-5C | NSN: 5310-01-253-3153
ITAR Registered seal

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Product Details
NATO Stock Number
5310-01-253-3153
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Washer Outside Diameter
Between 0.610 inches and 0.640 inches
Counterbore Diameter
0.385 inches nut and 0.395 inches nut
Overall Height
Between 0.396 inches and 0.436 inches
Nut Style
Flat with turned back edge
Nut Height
0.203 inches
Nut Counterbore Depth
0.203 inches nut and 0.223 inches nut
Width Across Flats
Between 0.492 inches and 0.502 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Thread Size
0.3125 inches
Material
Plastic nylon locking insert
Material Specification
Ams 5525 assn standard single material response nut or ams 5532 assn standard single material response nut
Material Specification
Qq-a-225/6, t4 federal specification 1st material response washer or qq-a-250/13, t6 federal specification 2nd material response washer
Surface Treatment
Chromate washer
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment Specification
Mil-c-5541 military specification single treatment response washer
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response nut
MS21224 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E815TF155 Locking, As Nut, Self 968 EA 09/08/2015
SPE5E816T0589 Locking, As Nut, Self 987 EA 10/26/2015
SPE5E816T2203 Locking, As Nut, Self 1586 EA 11/30/2015
SPE5E817TD194 Locking, As Nut, Self 2800 EA 07/17/2017
SPE5E818T292T Locking, As Nut, Self 6000 EA 09/14/2018
SPE5E819T6331 Locking, As Nut, Self 1900 EA 02/19/2019

Pricing and Availability

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MS21224-5C Cross Reference