RMLHTA521-2860-02

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-779-6625

Item Name Code

05280

Assigment Date

01/01/1960 (66 years ago)

0.098 inches minimum and 0.103 inches maximum mounting hole diameter, right-hand thread direction, prevailing torque all metal design locking feature, 3b thread class, dry film lubricant lubrication

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
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.948 inches maximum
Nut Height: 0.250 inches maximum
Plate Thickness: 0.032 inches maximum
Plate Width: 0.290 inches minimum and 0.416 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.339 inches minimum and 0.349 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.686 inches minimum and 0.690 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 32
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.190 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response or ams 5737 assn std single material response or ams 5525 assn std single material response overall
Surface Treatment: passivate overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-613-4427	No Name Available	03/01/1981
5310-01-100-6312	No Name Available	09/01/1984
5310-01-135-9507	No Name Available	10/01/1991

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
10121689	Plate Self-Locking Nut
13705E-02	Plate Self-Locking Nut
5310PL0209205	Plate Self-Locking Nut
MS21060L3	Plate Self-Locking Nut
NAS686C3M	Plate Self-Locking Nut
RF200C3M	Plate Self-Locking Nut
RMLHTA521-2860-02	Plate Self-Locking Nut
T65C1032CM	Plate Self-Locking Nut
Z00.N5425389225	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-779-6625?

The FSCG of the NSN 5310-00-779-6625 is 5310

Does the NSN 5310-00-779-6625 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-779-6625 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 5310-00-779-6625 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-779-6625 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 5310-00-779-6625 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960