5310-01-378-4260

Find complete technical information, availability, and procurement data for: 5310-01-378-4260
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-378-4260

Item Name Code

13393

Assigment Date

08/12/1993 (33 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

0.078 inches nominal thickness, rectangular cross-sectional shape style, round peripheral shape style, round center hole shape style, 0.757 inches minimum and 0.770 inches maximum hole diameter

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.757 inches minimum and 0.770 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.078 inches nominal
Overall Diameter: 1.250 inches nominal
Material: steel comp 1330 or steel comp 4130 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astmb633,type 2 fed std all treatment responses 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
12387383-12	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-378-4260?

The FSCG of the NSN 5310-01-378-4260 is 5310

Does the NSN 5310-01-378-4260 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-378-4260 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 5310-01-378-4260 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-378-4260 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 5310-01-378-4260 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, Aug 12, 1993