M305835

View detailed technical data, stock status, and sourcing information for: M305835

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M305835
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-740-9977
Item Name Code
01869
Assigment Date
01/01/1963 (63 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.

0.156 inches minimum and 0.219 inches maximum external prebent key width, 0.094 inches minimum and 0.156 inches maximum external prebent key length, 3.005 inches minimum and 3.025 inches maximum hole diameter, 2.094 inches minimum and 2.156 inches maximum distance from centerline to inside of prebent key, 4.469 inches minimum and 4.531 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
3.005 inches minimum and 3.025 inches maximum
Outside Diameter
4.469 inches minimum and 4.531 inches maximum
External Prebent Key Length
0.094 inches minimum and 0.156 inches maximum
External Prebent Key Width
0.156 inches minimum and 0.219 inches maximum
Distance From Centerline To Inside Of Prebent Key
2.094 inches minimum and 2.156 inches maximum
External Key Quantity
1
Material Thickness
0.0615 inches minimum and 0.0635 inches maximum
Material
copper alloy b overall
Material Document And Classification
mil-b-13501 mil spec single material response overall
Style Designator
key

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3830-00-593-1794 No Name Available 09/14/1972

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
7409977 Key Washer
KC2744 Key Washer
M22965 Key Washer
M305835 Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-740-9977?
The FSCG of the NSN 5310-00-740-9977 is 5310
Does the NSN 5310-00-740-9977 have a Schedule B code assigned?
Yes, the Schedule B code is 7415210000
Does NSN 5310-00-740-9977 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 5310-00-740-9977 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-740-9977 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 5310-00-740-9977 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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