MS20066-80

View detailed technical data, stock status, and sourcing information for: MS20066-80

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MS20066-80
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5315 Pins, Machine Keys and Nails
National Stock Number
5315-00-761-1680
Item Name Code
02378
Assigment Date
01/01/1960 (66 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.125 inches minimum and 0.126 inches maximum overall width, 0.125 inches minimum and 0.126 inches maximum overall height, 0.990 inches minimum and 1.010 inches maximum overall length, 75000 single pounds per square inch shear strength, straight starting edge shape

Product Characteristics

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

Overall Length
0.990 inches minimum and 1.010 inches maximum
Overall Height
0.125 inches minimum and 0.126 inches maximum
Overall Width
0.125 inches minimum and 0.126 inches maximum
Shear Strength
75000 single pounds per square inch
Starting Edge Shape
straight
Material
steel corrosion resisting overall
Material Document And Classification
66 fed std single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
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
MS20066-80 Machine Key

FAQs

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

What is the FSCG of the NSN 5315-00-761-1680?
The FSCG of the NSN 5315-00-761-1680 is 5315
Does the NSN 5315-00-761-1680 have a Schedule B code assigned?
Yes, the Schedule B code is 7326908695
Does NSN 5315-00-761-1680 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 5315-00-761-1680 contain precious materials?
Precious metal content is unknown
Does NSN 5315-00-761-1680 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 5315-00-761-1680 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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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 67
New Material 169
As Removed 1
Serviceable 1
Total 238
Availability of this item was last updated on: 06/29/2026 11:06 AM EDT. Stock levels and pricing are subject to change.

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