1-13/16ID X 2-3 /4OD X 1/4THK B

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-474-8411

Item Name Code

13393

Assigment Date

05/15/2000 (26 years ago)

Two or more insulated conductors (solid or stranded) contained in a common covering, or two or more insulated conductors twisted or molded together without a common covering, or one insulated conductor with a metallic covering, covering, shield, or outer conductor. The rated working voltage of the item must be 300 volts or more, or in lieu of this the test voltage must be 1,000 volts or more; and the size of each individual conductor must be number 18 american wire gage (0.75 square millimeters) or larger. For cables with uninsulated neutral conductor use the hightest rated voltage. Refers to bulk quantities only, for items of definite length with processed ends or terminated in fittings, see cable assembly, power, electrical. For low voltage aircraft and automotive cable, see cable, special purpose, electrical.

1.8125 inches nominal hole diameter, 0.250 inches nominal thickness, rectangular cross-sectional shape style, round center hole shape style, round peripheral shape style

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: 1.8125 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.250 inches nominal
Overall Diameter: 2.750 inches nominal
Part Name Assigned By Controlling Agency: navy special project
Material: copper alloy overall
Material Document And Classification: qq-b-637 fed spec single material 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
1-13/16ID X 2-3 /4OD X 1/4THK B	Flat Washer
124-4637387 PC 28	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-474-8411?

The FSCG of the NSN 5310-01-474-8411 is 5310

Does the NSN 5310-01-474-8411 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-01-474-8411 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 5310-01-474-8411 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-474-8411 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 5310-01-474-8411 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Mon, May 15, 2000