R756

View detailed technical data, stock status, and sourcing information for: R756
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-245-5501

Item Name Code

04522

Assigment Date

01/01/1961 (65 years ago)

solid single or composition cross-sectional shape style, 3.406 inches nominal outside diameter, 3.047 inches nominal aperture diameter, 0.219 inches nominal cross-sectional thickness, 75.0 shore durometer a minimum and 85.0 shore durometer a maximum overall hardness rating

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: solid single or composition
Outside Diameter: 3.406 inches nominal
Aperture Diameter: 3.047 inches nominal
Cross-Sectional Thickness: 0.219 inches nominal
Hardness Rating: 75.0 shore durometer a minimum and 85.0 shore durometer a maximum overall
Material: rubber butadiene-acrylonitrile class nbr overall
Material Document And Classification: mil-std-417,gr sb815 ae3 mil std single material response overall
Style Designator: circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2530-00-737-7836	No Name Available	09/18/1967

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
17-60B2	Gasket
R756	Gasket
WAB214173	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-245-5501?

The FSCG of the NSN 5330-00-245-5501 is 5330

Does NSN 5330-00-245-5501 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 5330-00-245-5501 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-245-5501 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5330-00-245-5501 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961