RMLH6520-080

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-969-3859

Item Name Code

05276

Assigment Date

06/13/1966 (60 years ago)

prevailing torque all metal design locking feature, double hexagon nut style, right-hand thread direction, dry film lubricant lubrication, 3b thread class

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Lubrication: dry film lubricant
Nut Style: double hexagon
Nut Height: 0.384 inches minimum and 0.394 inches maximum
Width Across Flats: 0.741 inches minimum and 0.752 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum
Nominal Thread Size: 0.500 inches
Bearing Surface Type: chamfered
Material: steel comp 601 overall
Material Document And Classification: ams 6280 assn std 1st material response or ams 6304 assn std 2nd material response or ams 6322 assn std 3rd material response or ams 6485 assn std 4th material response or ams 6487 assn std 4th material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall

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
C080-8	Double Hexagon Self-Locking Nut
EWSN22M8	Double Hexagon Self-Locking Nut
GN511B820M	Double Hexagon Self-Locking Nut
H29251-8	Double Hexagon Self-Locking Nut
RMLH6520-080	Double Hexagon Self-Locking Nut
VN404A080	Double Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-969-3859?

The FSCG of the NSN 5310-00-969-3859 is 5310

Does the NSN 5310-00-969-3859 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-969-3859 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 5310-00-969-3859 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-969-3859 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 5310-00-969-3859 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Jun 13, 1966