DIN127-B5.1-4310

View detailed technical data, stock status, and sourcing information for: DIN127-B5.1-4310
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-379-8079

Item Name Code

14218

Assigment Date

09/08/1993 (32 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

1.2 millimeters nominal material thickness, 9.2 millimeters maximum outside diameter, 5.1 millimeters minimum and 5.4 millimeters maximum hole diameter, split helical-right hand style designator, steel comp 301 overall material

Product Characteristics

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

Hole Diameter: 5.1 millimeters minimum and 5.4 millimeters maximum
Outside Diameter: 9.2 millimeters maximum
Material Thickness: 1.2 millimeters nominal
Material: steel comp 301 overall
Style Designator: split helical-right hand

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
DIN 127B ST 5	Lock Washer
DIN127-B5-1.431 0	Lock Washer
DIN127-B5.1-4310	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-379-8079?

The FSCG of the NSN 5310-01-379-8079 is 5310

Does the NSN 5310-01-379-8079 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-379-8079 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 5310-01-379-8079 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-379-8079 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 5310-01-379-8079 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Sep 8, 1993