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5310-00-550-0285

Find complete technical information, availability, and procurement data for: 5310-00-550-0285

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5310-00-550-0285
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-550-0285
Item Name Code
14218
Assigment Date
01/01/1963 (63 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

steel overall material, 0.168 inches minimum and 0.176 inches maximum hole diameter, 0.018 inches minimum and 0.023 inches maximum material thickness, 40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, 0.365 inches minimum and 0.381 inches maximum outside diameter

Product Characteristics

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

Hole Diameter
0.168 inches minimum and 0.176 inches maximum
Outside Diameter
0.365 inches minimum and 0.381 inches maximum
Material Thickness
0.018 inches minimum and 0.023 inches maximum
Hardness Rating
40.0 rockwell c minimum and 50.0 rockwell c maximum
Material
steel overall
Material Document And Classification
66 fed std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator
flat external teeth
Nondefinitive Spec/Std Data
b type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-514-6739 No Name Available 01/01/1963
5815-00-739-7793 No Name Available 01/01/1960

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
46717LA437-1 Lock Washer
MS35335-17 Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-550-0285?
The FSCG of the NSN 5310-00-550-0285 is 5310
Does the NSN 5310-00-550-0285 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-550-0285 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 5310-00-550-0285 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-550-0285 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 5310-00-550-0285 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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