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5310-00-181-6245

Find complete technical information, availability, and procurement data for: 5310-00-181-6245

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5310-00-181-6245
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-181-6245
Item Name Code
13393
Assigment Date
05/06/1970 (56 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

round center hole shape style, 0.646 inches minimum and 0.666 inches maximum hole diameter, 0.172 inches minimum and 0.186 inches maximum thickness, round peripheral shape style, rectangular cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style
rectangular
Hole Diameter
0.646 inches minimum and 0.666 inches maximum
Peripheral Shape Style
round
Center Hole Shape Style
round
Thickness
0.172 inches minimum and 0.186 inches maximum
Overall Diameter
1.740 inches minimum and 1.760 inches maximum
Hardness Rating
33.0 rockwell c minimum and 38.0 rockwell c maximum
Heat Treatment
quenched and tempered
Material
steel comp 4140 or steel comp 4130 or steel comp 8640 or steel comp 8740 or steel comp 1050 overall
Material Document And Classification
qq-s-624 fed spec 1st material response or qq-s-626 fed spec 1st material response or qq-s-627 fed spec 1st material response and qq-s-624 fed spec 2nd material response or qq-s-626 fed spec 2nd material response or qq-s-627 fed spec 2nd material response and qq-s-624 fed spec 3rd material response or qq-s-626 fed spec 3rd material response or qq-s-627 fed spec 3rd material response and qq-s-624 fed spec 4th material response or qq-s-626 fed spec 4th material response and qq-s-635 fed spec 5th material response or qq-s-700 fed spec 5th material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 1 fed spec single treatment response overall

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
10941915-7 Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-181-6245?
The FSCG of the NSN 5310-00-181-6245 is 5310
Does the NSN 5310-00-181-6245 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-181-6245 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 5310-00-181-6245 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-181-6245 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 5310-00-181-6245 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Wed, May 6, 1970

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