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4E10 Lock Washer

5310-01-105-9397

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Featured Parts

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Identification Plate
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9905-01-529-1773
Identification Plate
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Retaining Ring
100-165-2
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Plate
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Shim
100-16MF
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Pipe to Tube Straight Adapter
100-16SS
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Hexagon Plain Nut
100-17
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Gasket

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Official Item Classification

Name
Lock Washer
Part Number
4E10
(NSN) National Stock Number
5310-01-105-9397
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
14218
(FIIG) Federal Item Identification Guide
A022B0
Date
01/08/1981 (45 years ago)

1.079 inches maximum outside diameter, 0.635 inches minimum and 0.650 inches maximum hole diameter, 0.156 inches minimum material thickness, 45.0 rockwell c minimum and 51.0 rockwell c maximum hardness rating, quenched and tempered heat treatment

Specs & Compatibility

Hole Diameter

0.635 inches minimum and 0.650 inches maximum

Outside Diameter

1.079 inches maximum

Material Thickness

0.156 inches minimum

Hardness Rating

45.0 rockwell c minimum and 51.0 rockwell c maximum

Heat Treatment

quenched and tempered

Material

steel overall

Style Designator

split helical-right hand

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

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

Pseudo Item Name Code

0014218

Related Hardware Products

Part Number Description
3CE34 Lock Washer
4E10 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-105-9397?
The FSCG of the NSN 5310-01-105-9397 is 5310
Does the NSN 5310-01-105-9397 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-01-105-9397 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 5310-01-105-9397 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-105-9397 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 5310-01-105-9397 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Thu, Jan 8, 1981