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5310-01-121-8517

Find complete technical information, availability, and procurement data for: 5310-01-121-8517

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5310-01-121-8517
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-121-8517
Item Name Code
15887
Assigment Date
11/10/1981 (44 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

right-hand thread direction, 3b thread class, 0.125 inches nominal drive point depth, 6.250 inches nominal nut diameter, round nut style

Product Characteristics

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

Thread Class
3b
Thread Direction
right-hand
Drive Point Depth
0.125 inches nominal
Nut Style
round
Nut Diameter
6.250 inches nominal
Nut Thickness
0.375 inches nominal
Drive Point Width
0.375 inches nominal
Drive Point Quantity
4
Drilled Hole Diameter
0.047 inches minimum and 0.056 inches maximum
Hole Type And Quantity
4 drilled
Thread Series
unf
Thread Quantity Per Inch
12
Nominal Thread Size
5.750 inches
Hole Configuration Style
configuration j
Countersink Angle
109.75 degrees minimum and 110.25 degrees maximum nut
Material
aluminum alloy 7075 overall
Material Document And Classification
qq-a-225/9,t73 fed spec single material response or qq-a-200/11,t73 or t73510 or t73511 fed spec single material response overall
Surface Treatment
anodize overall

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
74A410612-2001 Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-121-8517?
The FSCG of the NSN 5310-01-121-8517 is 5310
Does the NSN 5310-01-121-8517 have a Schedule B code assigned?
Yes, the Schedule B code is 7616995195
Does NSN 5310-01-121-8517 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 5310-01-121-8517 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-121-8517 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 5310-01-121-8517 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Tue, Nov 10, 1981

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