RMLH6520-126

View detailed technical data, stock status, and sourcing information for: RMLH6520-126
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part RMLH6520-126 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-277-4362

Item Name Code

05276

Assigment Date

04/22/1988 (38 years ago)

An item formed from sheet spring material into varying flat, concave, curved, or nutlike design. It has an aperture with an elliptical-shaped hole or suitable lugs or prongs designed to retain threaded or unthreaded stud like projecting memebers. When pushed on, it grips by imbedding into the material of the projecting memebers, and does not mate with a thread helix. See also ring, retaining.

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

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: 0.608 inches maximum
Width Across Flats: 1.052 inches minimum and 1.064 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 16
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum
Nominal Thread Size: 0.750 inches
Bearing Surface Type: chamfered
Material: steel comp 601 or steel comp 8740 or steel comp h11 overall
Material Document And Classification: ams 6304 assn std 1st material response or ams 8740 assn std 2nd material response or ams6485 assn std 3rd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec 1st treatment response overall
Specification/Standard Data: 80205-nas1759 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-923-8422	No Name Available	12/01/1991
5310-00-969-3904	No Name Available	12/01/1991

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
NAS1759L12	Double Hexagon Self-Locking Nut
RMLH6520-126	Double Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-277-4362?

The FSCG of the NSN 5310-01-277-4362 is 5310

Does the NSN 5310-01-277-4362 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-277-4362 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 5310-01-277-4362 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-277-4362 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 5310-01-277-4362 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Apr 22, 1988