7713901

View detailed technical data, stock status, and sourcing information for: 7713901

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7713901
Federal Supply Group
Engine Accessories
National Stock Number
2920-00-771-3901
Item Name Code
17311
Assigment Date
01/01/1962 (64 years ago)

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. For items specifically designed for aviation, see pulley(1), groove, aviation.

0.750 inches nominal second step diameter, cooling fan and lockwasher and nut and woodruff key furnished items, 0.156 inches nominal keyway width, right-hand thread direction, 0.578 inches nominal thread length

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
0.578 inches nominal
Furnished Items
cooling fan and lockwasher and nut and woodruff key
Second Step Diameter
0.750 inches nominal
Keyway Width
0.156 inches nominal
Unthreaded Portion Length
0.844 inches nominal
Mounting Style
bracket mtd w/three mtg holes
Keyway Length
0.750 inches nominal
Submersibility
nonsubmersible
Shaft Rotation Direction
clockwise
Thread Diameter
0.500 inches nominal
Ground Polarity Type
negative
Armature Minimum Speed In Rpm At Full Current Output
825
Maximum Output Current Rating In Amps
55.0
Grounding Method
internal
Shaft Drive End Style
straight shaft end, threaded, w/keyway
Distance Between Shaft Center And Bottom Mounting Hole Center
4.438 inches nominal
Distance Between Shaft Center And Top Mounting Hole Center
4.438 inches nominal
Angular Deviation Of First Hole From Top Center In Deg
196.0
Angular Deviation Of Second Hole From First Hole In Deg
118.5
Distance Between Inside Surfaces Of Hinge Bracket
8.774 inches minimum and 8.787 inches maximum
Distance Between Outside Surfaces Of Hinge Bracket
9.774 inches minimum and 9.787 inches maximum
Top Mounting Hole Diameter
0.089 inches minimum and 0.099 inches maximum
Bottom Mounting Hole Diameter
0.214 inches minimum and 0.224 inches maximum
Maximum Rated Armature Speed In Rpm
1080
Thread Class
2a
Thread Quantity Per Inch
20
Voltage In Volts
12.0

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
7713901 Engine Accessory Generator
918720 Engine Accessory Generator

FAQs

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

What is the FSCG of the NSN 2920-00-771-3901?
The FSCG of the NSN 2920-00-771-3901 is 2920
Does the NSN 2920-00-771-3901 have a Schedule B code assigned?
Yes, the Schedule B code is 8511500000
Does NSN 2920-00-771-3901 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 2920-00-771-3901 contain precious materials?
Precious metal content is unknown
Does NSN 2920-00-771-3901 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 2920-00-771-3901 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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