5310-00-625-3891

Find complete technical information, availability, and procurement data for: 5310-00-625-3891
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-625-3891

Item Name Code

01869

Assigment Date

03/05/1975 (51 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.

0.150 inches minimum and 0.170 inches maximum external straight key width, 1.428 inches minimum and 1.448 inches maximum distance from centerline to top of internal key, 3.690 inches minimum and 3.710 inches maximum outside diameter, 3.167 inches minimum and 3.187 inches maximum hole diameter, 0.290 inches minimum and 0.300 inches maximum internal straight key width

Product Characteristics

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

Hole Diameter: 3.167 inches minimum and 3.187 inches maximum
Outside Diameter: 3.690 inches minimum and 3.710 inches maximum
External Straight Key Width: 0.150 inches minimum and 0.170 inches maximum
Internal Straight Key Width: 0.290 inches minimum and 0.300 inches maximum
Distance From Centerline To Top Of Internal Key: 1.428 inches minimum and 1.448 inches maximum
Overall Distance Including Keys: 3.858 inches minimum and 3.878 inches maximum
External Key Quantity: 4
Internal Key Quantity: 2
Material Thickness: 0.046 inches minimum and 0.054 inches maximum
Hardness Rating: 32.0 rockwell c minimum and 36.0 rockwell c maximum
Surface Finish: 63.0 microinches bottom
Surface Finish: 63.0 microinches top
Special Features: internal keys 180 deg apart offset 13 deg 3 min 52 sec from center line of external keys
Material: steel comp 4130 overall
Material Document And Classification: mil-s-18729 mil spec single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: mil-p-16232,type z,class a mil spec single treatment response overall
Style Designator: key

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
BACW10BW27	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-625-3891?

The FSCG of the NSN 5310-00-625-3891 is 5310

Does the NSN 5310-00-625-3891 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-625-3891 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 5310-00-625-3891 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-625-3891 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 5310-00-625-3891 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Mar 5, 1975