HM025-679-1

View detailed technical data, stock status, and sourcing information for: HM025-679-1

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HM025-679-1
Federal Supply Group
Mechanical Power Transmission Equipment
National Stock Number
3020-01-182-3698
Item Name Code
04456
Assigment Date
06/23/1984 (42 years ago)

A round, square, or rectangular comparatively flat item having a centrally located hole, designed to accommodate and/or support a shaft. It must have drilled and/or tapped holes for mounting purposes. Excludes:retainer, packing; end bell, electrical rotating equipment.

2.222 inches nominal outside diameter, 14 spline quantity, 2.196 inches nominal pitch diameter, 0.544 inches minimum and 0.549 inches maximum spline minor diameter, 0.644 inches nominal spline major diameter

Product Characteristics

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

Spline Minor Diameter
0.544 inches minimum and 0.549 inches maximum
Spline Major Diameter
0.644 inches nominal
Outside Diameter
2.222 inches nominal
Spline Quantity
14
Pitch Diameter
2.196 inches nominal
Face Width
0.188 inches nominal
Design Form
plain
Bore Type
involute spline
Spline Pressure Angle In Deg
30.0
Spline Length
0.188 inches nominal
Spline Pitch Diameter
0.583 inches nominal
Securing Method
press fit
Teeth Row Quantity
1
Teeth Quantity Per Row
4
Hardness Rating Test Method
not rated
Special Features
finish per qq-p-35,type 1,2 or 3;hubless
Material
steel comp 630
Material Document And Classification
ams 5643 assn std single material response
Surface Treatment
passivate
Style Designator
plain

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
014221-1 Sprocket Wheel
HM025-679-1 Sprocket Wheel

FAQs

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

What is the FSCG of the NSN 3020-01-182-3698?
The FSCG of the NSN 3020-01-182-3698 is 3020
Does the NSN 3020-01-182-3698 have a Schedule B code assigned?
Yes, the Schedule B code is 8483901000
Does NSN 3020-01-182-3698 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 3020-01-182-3698 contain precious materials?
Item does not contain precious metal.
Does NSN 3020-01-182-3698 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 3020-01-182-3698 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Sat, Jun 23, 1984

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