2920-00-851-7610

Find complete technical information, availability, and procurement data for: 2920-00-851-7610
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-851-7610

Item Name Code

03577

Assigment Date

11/18/1966 (59 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.

oval mounting flange shape style, 2.690 inches nominal mounting hole radius, 0.401 inches minimum and 0.501 inches maximum mounting hole diameter, 235.0 lock test current rating in amps, peripheral inboard gear drive w/worm shaft and torsion drive spring engaging mechanism style

Product Characteristics

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

Mounting Hole Diameter: 0.401 inches minimum and 0.501 inches maximum
Mounting Hole Radius: 2.690 inches nominal
Mounting Flange Shape Style: oval
Engaging Mechanism Style: peripheral inboard gear drive w/worm shaft and torsion drive spring
Lock Test Current Rating In Amps: 235.0
Shaft Rotation Direction: counterclockwise
Engaging Mechanism To Armature Positional Relationship: straight
Mounting Flange Angular Deviation In Deg: 131.0
Voltage In Volts: 12.0
Terminal Type And Quantity: 1 threaded stud

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
MBG4124	Electrical Engine Starter
YA-39	Electrical Engine Starter

FAQs

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

What is the FSCG of the NSN 2920-00-851-7610?

The FSCG of the NSN 2920-00-851-7610 is 2920

Does the NSN 2920-00-851-7610 have a Schedule B code assigned?

Yes, the Schedule B code is 8511400000

Does NSN 2920-00-851-7610 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 2920-00-851-7610 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-851-7610 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 2920-00-851-7610 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Nov 18, 1966