5310-01-267-8510

Find complete technical information, availability, and procurement data for: 5310-01-267-8510
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-267-8510

Item Name Code

05280

Assigment Date

11/18/1987 (38 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.

3b thread class, 0.098 inches nominal mounting hole diameter, right-hand thread direction, 0.173 inches minimum overall counterbore diameter, prevailing torque all metal design locking feature

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
Locking Feature: prevailing torque all metal design
Counterbore Diameter: 0.173 inches minimum overall
Mounting Hole Diameter: 0.098 inches nominal
Nut Style: plate
Nut Length: 0.840 inches maximum
Nut Height: 0.221 inches maximum
Plate Thickness: 0.030 inches maximum
Plate Width: 0.443 inches maximum
Nut Counterbore Depth: 0.070 inches minimum overall
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 3 holes
Distance From Mounting Hole Center To Base: 0.125 inches nominal
Center To Center Distance Between Mounting Holes Along Length: 0.290 inches minimum and 0.300 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjc
Features Provided: floating nut
Thread Quantity Per Inch: 32
Hardness Rating: 70.0 shore durometer a nominal
Nominal Thread Size: 0.138 inches
Special Features: color seal red
Material: iron alloy 660 nut
Material: iron alloy 660 shell
Material: rubber silicone class q seal
Material Document And Classification: ams 3304 assn std single material response seal
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response nut
Material Document And Classification: ams 5525 assn std single material response shell
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Specification/Standard Data: 80205-nas1474 professional/industrial association 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
NAS1474R06	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-267-8510?

The FSCG of the NSN 5310-01-267-8510 is 5310

Does the NSN 5310-01-267-8510 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-267-8510 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 5310-01-267-8510 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-267-8510 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 5310-01-267-8510 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Nov 18, 1987