N405P8C

View detailed technical data, stock status, and sourcing information for: N405P8C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-088-1999

Item Name Code

14218

Assigment Date

01/08/1980 (46 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.031 inches minimum and 0.037 inches maximum material thickness, 0.280 inches maximum outside diameter, zzzw criticality code justification, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, 0.168 inches minimum and 0.178 inches maximum hole 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 0.178 inches maximum
Outside Diameter: 0.280 inches maximum
Material Thickness: 0.031 inches minimum and 0.037 inches maximum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Criticality Code Justification: zzzw
Special Features: free of mercury contamination
Material: steel comp 1060 or steel comp 1561 or steel comp 1065 or steel comp 1566 or steel comp 1069 or steel comp 1070 or steel comp 1572 or steel comp 1074 or steel comp 1075 or steel comp 1080 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Special Test Features: special quality control testing
Surface Treatment Document And Classification: qq-p-416 cl 3 ty 1 fed spec single treatment response overall
Style Designator: split helical-right hand
Test Data Document: "81349-mil-p-23199 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Nondefinitive Spec/Std Data: a class and 1 style
Departure From Cited Document: as differentiated by material which must conform to ships parts control center special quality control provisions

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
N405P8C	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-088-1999?

The FSCG of the NSN 5310-01-088-1999 is 5310

Does the NSN 5310-01-088-1999 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-088-1999 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 5310-01-088-1999 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-088-1999 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 5310-01-088-1999 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Tue, Jan 8, 1980