WC-21540 PC 12

View detailed technical data, stock status, and sourcing information for: WC-21540 PC 12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-231-7504

Item Name Code

07961

Assigment Date

05/03/1986 (40 years ago)

square/rectangular intermediate ring cross-sectional shape style, 1.375 inches nominal outside diameter, square/rectangular top ring cross-sectional shape style, square/rectangular bottom ring cross-sectional shape style, 0.875 inches nominal inside 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: square/rectangular bottom ring
Cross-Sectional Shape Style: square/rectangular intermediate ring
Cross-Sectional Shape Style: square/rectangular top ring
Inside Diameter: 0.875 inches nominal
Outside Diameter: 1.375 inches nominal
Temp Rating: 850.0 fahrenheit
Intermediate Ring Quantity: 4
Joint Type: scarf-peripheral bottom ring
Joint Type: scarf-peripheral intermediate ring
Joint Type: scarf-peripheral top ring
Height: 1.500 inches nominal
Material: asbestos and nickel alloy and plastic top ring
Material: asbestos and nickel alloy and plastic bottom ring
Material: asbestos and nickel alloy and plastic intermediate ring
Material Document And Classification: 6-am fscm 71724 mfr ref all material responses bottom ring
Material Document And Classification: 6-am fscm 71724 mfr ref all material responses intermediate ring
Material Document And Classification: 6-am fscm 71724 mfr ref all material responses top ring

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
WC-21187 PIECE	Packing Assembly
WC-21540 PC 12	Packing Assembly
WC-915-335	Packing Assembly

FAQs

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

What is the FSCG of the NSN 5330-01-231-7504?

The FSCG of the NSN 5330-01-231-7504 is 5330

Does NSN 5330-01-231-7504 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 5330-01-231-7504 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-231-7504 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 5330-01-231-7504 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, May 3, 1986