MS21224-16

View detailed technical data, stock status, and sourcing information for: MS21224-16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-027-4680

Item Name Code

29736

Assigment Date

09/18/1976 (49 years ago)

1.205 inches minimum and 1.215 inches maximum nut counterbore diameter, 1.677 inches minimum and 1.707 inches maximum washer outside diameter, 3b thread class, right-hand thread direction, prevailing torque with nonmetallic insert locking feature

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: 1.677 inches minimum and 1.707 inches maximum
Counterbore Diameter: 1.205 inches minimum and 1.215 inches maximum nut
Overall Height: 1.162 inches minimum and 1.202 inches maximum
Nut Style: flat with turned back edge
Nut Counterbore Depth: 0.524 inches minimum and 0.544 inches maximum nut
Width Across Flats: 1.427 inches minimum and 1.440 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.000 inches
Bearing Surface Finish: 125.0 microinches
Material: plastic nylon locking insert
Material: steel comp 1137 or steel comp 11l37 or steel comp 8740 nut
Material Document And Classification: ams 5024 assn std 1st material response or ams 5020 assn std 2nd material response or ams 6322 assn std 3rd material response or ams 6323 assn std 3rd material response or ams 6325 assn std 3rd material response or ams 6327 assn std 3rd material response or ams 6358 assn std 3rd 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,type 2,class 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
MS21224-16	Assembled Washe Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-027-4680?

The FSCG of the NSN 5310-01-027-4680 is 5310

Does the NSN 5310-01-027-4680 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-027-4680 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 5310-01-027-4680 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-027-4680 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 5310-01-027-4680 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Sep 18, 1976