2920-00-231-7270

Find complete technical information, availability, and procurement data for: 2920-00-231-7270
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-231-7270

Item Name Code

17311

Assigment Date

10/19/1970 (55 years ago)

1.260 inches minimum and 2.175 inches maximum unthreaded portion length, right-hand thread direction, lockwasher and nut furnished items, 0.625 inches nominal thread length, 0.874 inches nominal second step diameter

Product Characteristics

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

Thread Direction: right-hand
Thread Length: 0.625 inches nominal
Furnished Items: lockwasher and nut
Second Step Diameter: 0.874 inches nominal
Unthreaded Portion Length: 1.260 inches minimum and 2.175 inches maximum
Mounting Hole Thread Direction: right-hand
Mounting Style: bracket mtd w/three mtg holes, top hole threaded
Environmental Protection: corrosion resistant
Submersibility: nonsubmersible
Shaft Rotation Direction: clockwise or counterclockwise
Thread Diameter: 0.625 inches nominal
Ground Polarity Type: negative
Minimum Current Cut-In Speed In Rpm: 5000
Grounding Method: external
Shaft Drive End Style: straight shaft end, threaded
Distance Between Shaft Center And Bottom Mounting Hole Center: 3.890 inches minimum and 3.910 inches maximum
Distance Between Shaft Center And Top Mounting Hole Center: 3.900 inches nominal
Angular Deviation Of First Hole From Top Center In Deg: 0.0
Angular Deviation Of Second Hole From First Hole In Deg: 180.0
Distance Between Inside Surfaces Of Hinge Bracket: 3.940 inches minimum and 4.010 inches maximum
Distance Between Outside Surfaces Of Hinge Bracket: 5.060 inches minimum and 5.130 inches maximum
Bottom Mounting Hole Diameter: 0.513 inches minimum and 0.523 inches maximum
Thread Series: unf
Thread Class: 2a
Mounting Hole Thread Series Designator: uns
Mounting Hole Thread Diameter: 0.500 inches nominal
Mounting Hole Thread Quantity Per Inch: 12-1/2
Mounting Hole Thread Class: 2b
Thread Quantity Per Inch: 18
Voltage In Volts: 24.0

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-989-2502	No Name Available	09/01/2007

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FAQs

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

What is the FSCG of the NSN 2920-00-231-7270?

The FSCG of the NSN 2920-00-231-7270 is 2920

Does the NSN 2920-00-231-7270 have a Schedule B code assigned?

Yes, the Schedule B code is 8511500000

Does NSN 2920-00-231-7270 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 2920-00-231-7270 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-231-7270 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 2920-00-231-7270 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Oct 19, 1970