5310-00-255-5008

Find complete technical information, availability, and procurement data for: 5310-00-255-5008
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-255-5008

Item Name Code

05276

Assigment Date

06/20/1973 (53 years ago)

soluble lubricant lubrication, right-hand thread direction, 3b thread class, prevailing torque all metal design locking feature, 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: soluble lubricant
Nut Style: double hexagon
Nut Height: 0.372 inches maximum
Width Across Flats: 0.679 inches minimum and 0.690 inches maximum
Temp Rating: -65.0 fahrenheit minimum and 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum
Nominal Thread Size: 0.438 inches
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: steel comp 8740 or steel comp 8630 or steel comp 4037 or steel comp h11 overall
Material Document And Classification: ams 6322 assn std 1st material response or ams 6280 assn std 2nd material response or ams 6300 assn std 3rd material response or ams 6304 assn std 4th material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 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
55LH6521-070	Double Hexagon Self-Locking Nut
68456-7	Double Hexagon Self-Locking Nut
STSCD002-14	Double Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-255-5008?

The FSCG of the NSN 5310-00-255-5008 is 5310

Does the NSN 5310-00-255-5008 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-255-5008 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 5310-00-255-5008 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-255-5008 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 5310-00-255-5008 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jun 20, 1973