ACL22-4

View detailed technical data, stock status, and sourcing information for: ACL22-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-159-6295

Item Name Code

15933

Assigment Date

07/16/1971 (55 years ago)

0.251 inches minimum and 0.255 inches maximum hole diameter, 0.340 inches minimum and 0.350 inches maximum recess diameter, 0.057 inches minimum and 0.069 inches maximum material thickness, 0.521 inches minimum and 0.541 inches maximum outside diameter, 0.046 inches nominal recess depth

Product Characteristics

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

Hole Diameter: 0.251 inches minimum and 0.255 inches maximum
Outside Diameter: 0.521 inches minimum and 0.541 inches maximum
Recess Diameter: 0.340 inches minimum and 0.350 inches maximum
Recess Depth: 0.046 inches nominal
Material Thickness: 0.057 inches minimum and 0.069 inches maximum
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum
Recess Angle: 90.0 degrees nominal
Material: steel comp 4130 or steel comp 1050 overall
Material Document And Classification: mil-s-6758 mil spec 1st material response or mil-s-18729 mil spec 1st material response or ams 5085 assn std 2nd material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall
Style Designator: recessed

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
4D0003-4C	Recessed Washer
ACL22-4	Recessed Washer
GW502BA4C	Recessed Washer
RA82001-4	Recessed Washer
WCL22-4	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-159-6295?

The FSCG of the NSN 5310-00-159-6295 is 5310

Does the NSN 5310-00-159-6295 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-159-6295 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 5310-00-159-6295 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-159-6295 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 5310-00-159-6295 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jul 16, 1971