5310-00-639-6903

Find complete technical information, availability, and procurement data for: 5310-00-639-6903
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-639-6903

Item Name Code

05280

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, prevailing torque with nonmetallic insert locking feature, 3b thread class, soluble lubricant lubrication, 0.098 inches minimum and 0.103 inches maximum mounting hole 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Lubrication: soluble lubricant
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.991 inches nominal
Nut Height: 0.283 inches nominal
Plate Thickness: 0.070 inches maximum
Plate Width: 0.385 inches minimum and 0.395 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: 0.310 inches minimum and 0.314 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: aluminum alloy 2024 shell
Material: plastic polyamide (nylon) locking insert
Surface Treatment: anodize overall except insert
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-596-5634	No Name Available	01/01/1963

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
2510D02	Plate Self-Locking Nut
NAJ17-02	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-639-6903?

The FSCG of the NSN 5310-00-639-6903 is 5310

Does the NSN 5310-00-639-6903 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-639-6903 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 5310-00-639-6903 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-639-6903 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 5310-00-639-6903 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963