US-306C

View detailed technical data, stock status, and sourcing information for: US-306C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-01-205-9518

Item Name Code

07623

Assigment Date

04/12/1985 (41 years ago)

A tubular metal item designed primarily as a replaceable wear surface within the cylinder bore of a piston type internal combustion engine, compressor, or reciprocating pump.

3.314 inches nominal outside diameter, not casehardened casehardening indicator, 2.938 inches nominal inside diameter, rectangular cross-sectional shape style, 0.039 inches nominal major 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
Inside Diameter: 2.938 inches nominal
Casehardening Indicator: not casehardened
Outside Diameter: 3.314 inches nominal
Major Thickness: 0.039 inches nominal
Ring Style: special
Usage Design: external
Material: steel comp 1070 or steel comp 1572 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 or steel comp 1085 or steel comp 1086 or steel comp 1090
Material Document And Classification: fed std 66, comp 1070 fed std 1st material response and fed std 66, comp 1072 fed std 2nd material response and fed std 66, comp 1074 fed std 3rd material response and fed std 66, comp 1075 fed std 4th material response and fed std 66, comp 1078 fed std 5th material response and fed std 66, comp 1080 fed std 6th material response and fed std 66, comp 1084 fed std 7th material response and fed std 66, comp 1085 fed std 8th material response and fed std 66, comp 1086 fed std 9th material response and fed std 66, comp 1090 fed std 10th material response
Surface Treatment: cadmium
Surface Treatment Document And Classification: qq-p-416, type 1, class 2 fed spec single treatment response

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
007320-1	Retaining Ring
US-306C	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-01-205-9518?

The FSCG of the NSN 5325-01-205-9518 is 5325

Does the NSN 5325-01-205-9518 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-01-205-9518 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 5325-01-205-9518 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-01-205-9518 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 5325-01-205-9518 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Apr 12, 1985