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NK520-10R10

View detailed technical data, stock status, and sourcing information for: NK520-10R10

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NK520-10R10
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-637-8378
Item Name Code
06657
Assigment Date
01/01/1963 (63 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

0.594 inches minimum and 0.625 inches maximum thread length, 2a thread class, right-hand thread direction, 0.594 inches minimum and 0.625 inches maximum fastener length, 0.292 inches minimum and 0.313 inches maximum head diameter

Product Characteristics

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

Thread Class
2a
Thread Direction
right-hand
Thread Length
0.594 inches minimum and 0.625 inches maximum
Fastener Length
0.594 inches minimum and 0.625 inches maximum
Head Diameter
0.292 inches minimum and 0.313 inches maximum
Head Height
0.180 inches minimum and 0.190 inches maximum
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
60000 pounds per square inch
Screw Material
steel comp 1010
Thread Series Designator
unf
Nondefinitive Spec/Std Data
1 type and a style
Departure From Cited Designator
as mod by locking feature

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-771-5990 No Name Available 01/07/1970

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
0S080028 Machine Screw
655-516-9006 Machine Screw
NK501-10-10 Machine Screw
NK520-10R10 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-637-8378?
The FSCG of the NSN 5305-00-637-8378 is 5305
Does the NSN 5305-00-637-8378 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-637-8378 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 5305-00-637-8378 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-637-8378 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 5305-00-637-8378 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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