171NR

View detailed technical data, stock status, and sourcing information for: 171NR
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-260-5901

Item Name Code

04521

Assigment Date

07/31/1987 (38 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

-40.0 celsius and 121.0 celsius temp rating, o-ring cross-sectional shape style, 0.100 inches minimum and 0.106 inches maximum cross-sectional height, 7.957 inches minimum and 8.017 inches maximum center hole diameter, 8.193 inches nominal peripheral 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: o-ring
Temp Rating: -40.0 celsius and 121.0 celsius
Cross-Sectional Height: 0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter: 7.957 inches minimum and 8.017 inches maximum
Peripheral Diameter: 8.193 inches nominal
Hardness Rating: 65.0 shore durometer a minimum and 75.0 shore durometer a maximum overall
Color: black
Material: rubber butadiene-acrylonitrile class nbr overall
Reference Data And Literature: canceled arp568-171 class 1 tol
Supplementary Features: mfr seal molds undersize id 7.987 in. porm 0.030 in.
Specification/Standard Data: 81343-ar+568 professional/industrial association standard
Nondefinitive Spec/Std Data: 1 class and 171 size

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
171NR	Preformed Packing
352250041845	Preformed Packing
ARP568-171CLASS1	Preformed Packing
ARP568A-NR171	Preformed Packing
MRC171NR	Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-01-260-5901?

The FSCG of the NSN 5330-01-260-5901 is 5330

Does the NSN 5330-01-260-5901 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-01-260-5901 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 5330-01-260-5901 contain precious materials?

Precious metal content is unknown

Does NSN 5330-01-260-5901 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 5330-01-260-5901 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Jul 31, 1987