STD348-6

View detailed technical data, stock status, and sourcing information for: STD348-6
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-656-8151

Item Name Code

13393

Assigment Date

10/02/1970 (55 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

0.394 inches nominal hole diameter, rectangular cross-sectional shape style, round peripheral shape style, round center hole shape style, 0.0178 inches nominal thickness

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: 0.394 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.0178 inches nominal
Overall Diameter: 0.597 inches nominal
Part Name Assigned By Controlling Agency: navy special project
Material: steel corrosion resisting 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
STD348-6	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-656-8151?

The FSCG of the NSN 5310-00-656-8151 is 5310

Does the NSN 5310-00-656-8151 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-656-8151 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 5310-00-656-8151 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-656-8151 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 5310-00-656-8151 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Oct 2, 1970