MS21224-5C

View detailed technical data, stock status, and sourcing information for: MS21224-5C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-253-3153

Item Name Code

29736

Assigment Date

04/16/1987 (39 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

0.610 inches minimum and 0.640 inches maximum washer outside diameter, 0.385 inches minimum and 0.395 inches maximum nut counterbore diameter, right-hand thread direction, prevailing torque with nonmetallic insert locking feature, 3b thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Washer Outside Diameter: 0.610 inches minimum and 0.640 inches maximum
Counterbore Diameter: 0.385 inches minimum and 0.395 inches maximum nut
Overall Height: 0.396 inches minimum and 0.436 inches maximum
Nut Style: flat with turned back edge
Nut Height: 0.203 inches nominal
Nut Counterbore Depth: 0.203 inches minimum and 0.223 inches maximum nut
Width Across Flats: 0.492 inches minimum and 0.502 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.3125 inches
Material: plastic nylon locking insert
Material Document And Classification: ams 5525 assn std single material response or ams 5532 assn std single material response nut
Material Document And Classification: qq-a-225/6,t4 fed spec 1st material response or qq-a-250/13,t6 fed spec 2nd material response washer
Surface Treatment: cadmium and chromate nut
Surface Treatment: chromate washer
Surface Treatment Document And Classification: mil-c-5541 mil spec single treatment response washer
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response nut

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
MS21224-5C	Assembled Washe Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-253-3153?

The FSCG of the NSN 5310-01-253-3153 is 5310

Does the NSN 5310-01-253-3153 have a Schedule B code assigned?

Yes, the Schedule B code is 3917400000

Does NSN 5310-01-253-3153 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-01-253-3153 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-253-3153 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-01-253-3153 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Apr 16, 1987