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5310-00-522-9655

Find complete technical information, availability, and procurement data for: 5310-00-522-9655

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5310-00-522-9655
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-522-9655
Item Name Code
01859
Assigment Date
08/23/1974 (51 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.

1.852 inches minimum and 1.877 inches maximum width across flats, 0.625 inches nominal nut height, slotted, hexagon nut style, 3b thread class, right-hand thread direction

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
Nut Style
slotted, hexagon
Nut Height
0.625 inches nominal
Width Across Flats
1.852 inches minimum and 1.877 inches maximum
Temp Rating
800.0 fahrenheit nominal
Thread Series
unjf
Thread Quantity Per Inch
12
Nominal Thread Size
1.250 inches
Countersink Angle
110.0 degrees nominal nut
Bearing Surface Type
washer faced
Special Features
dyed brown
Material
iron alloy 660 overall
Material Document And Classification
ams 5735 assn std single material response overall
Surface Treatment
passivate overall
Specification/Standard Data
76301-st3-404 manufacturers standard

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
74640C20 Nut,plain,slotted,hexagon
E10080-20 Nut,plain,slotted,hexagon
ST3M404C20 Nut,plain,slotted,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-522-9655?
The FSCG of the NSN 5310-00-522-9655 is 5310
Does the NSN 5310-00-522-9655 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-522-9655 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 5310-00-522-9655 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-522-9655 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 5310-00-522-9655 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Fri, Aug 23, 1974

Professional Distribution

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