125601

View detailed technical data, stock status, and sourcing information for: 125601

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125601
Federal Supply Group
Mechanical Power Transmission Equipment
National Stock Number
3020-00-333-4900
Item Name Code
05464
Assigment Date
01/01/1963 (63 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

plain, solid body style, w/ keyway both ends bore style, 3.2180 inches minimum and 3.2190 inches maximum pitch diameter, 27 teeth quantity, 29.0 rockwell c nominal overall hardness rating

Product Characteristics

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

Body Style
plain, solid
Pitch Diameter
3.2180 inches minimum and 3.2190 inches maximum
Teeth Quantity
27
Bore Style
w/ keyway both ends
Hardness Rating
29.0 rockwell c nominal overall
Nominal Outside Diameter
3.417 inches
Teeth Type
single helix
Tooth Form
standard
Tooth Direction
left
Pressure Angle
14.5000 degrees
Helix Angle
33.1171 degrees
Nominal Distance Between Body Face And Protruding Hub End
0.063 inches first end
Face Nominal Width
0.811 inches
Bore Nominal Diameter
1.8745 inches first end
Keyway Nominal Width
0.251 inches both ends
Nominal Distance From Bore Center To Keyway Bottom
1.0615 inches first end
Hub Style Designator
plain first end
Hub Nominal Diameter
2.750 inches first end
Material
steel comp 3140 overall
Material Document And Classification
fed std 66 fed std single material response overall
Style Designator
protruding hub

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3020-00-262-8935 No Name Available 11/01/1972

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
125601 Helical Gear
125601B Helical Gear

FAQs

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

What is the FSCG of the NSN 3020-00-333-4900?
The FSCG of the NSN 3020-00-333-4900 is 3020
Does the NSN 3020-00-333-4900 have a Schedule B code assigned?
Yes, the Schedule B code is 8483409000
Does NSN 3020-00-333-4900 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 3020-00-333-4900 contain precious materials?
Precious metal content is unknown
Does NSN 3020-00-333-4900 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 3020-00-333-4900 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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