R21-42
View detailed technical data, stock status, and sourcing information for: R21-42
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Federal Supply Group
Mechanical Power Transmission Equipment
Federal Supply Classification
3020 Gears, Pulleys, Sprockets and Transmission Chain
National Stock Number
3020-00-904-5161
Item Name Code
05466
Assigment Date
01/01/1960 (66 years ago)
plain both ends bore style, 42 teeth quantity, 0.8750 inches nominal pitch diameter, plain, solid body style, clamp attachment method
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
- Attachment Method
- clamp
- Pitch Diameter
- 0.8750 inches nominal
- Teeth Quantity
- 42
- Bore Style
- plain both ends
- Nominal Outside Diameter
- 0.916 inches
- Tooth Form
- standard
- Pressure Angle
- 20.0000 degrees
- Nominal Distance Between Body Face And Protruding Hub End
- 0.281 inches first end
- Face Nominal Width
- 0.125 inches
- Bore Nominal Diameter
- 0.250 inches both ends
- Hub Style Designator
- split first end
- Hub Nominal Diameter
- 0.312 inches first end
- Clamping Surface Nominal Length
- 0.250 inches first end
- Precision Classification
- quality number 11
- Material
- steel overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- mil-f-14072,finish e300 mil spec single treatment response overall
- Style Designator
- protruding hub
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3020-00-904-5161?
The FSCG of the NSN 3020-00-904-5161 is 3020
Does the NSN 3020-00-904-5161 have a Schedule B code assigned?
Yes, the Schedule B code is 8483409000
Does NSN 3020-00-904-5161 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 3020-00-904-5161 contain precious materials?
Precious metal content is unknown
Does NSN 3020-00-904-5161 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 3020-00-904-5161 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
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Pricing
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