C-4261 PC.12

View detailed technical data, stock status, and sourcing information for: C-4261 PC.12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-165-6576

Item Name Code

04521

Assigment Date

11/01/1983 (42 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

-65.0 fahrenheit and 275.0 fahrenheit temp rating, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 1.599 inches minimum and 1.619 inches maximum center hole diameter, 1.887 inches nominal peripheral diameter, 160 maximum elongation percentage

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Temp Rating: -65.0 fahrenheit and 275.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 1.599 inches minimum and 1.619 inches maximum
Peripheral Diameter: 1.887 inches nominal
Elongation Percentage: 160 maximum
Criticality Code Justification: zzzy
Material: rubber butadiene-acrylonitrile class nbr overall
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
200-2144108 PIECE 12	Preformed Packing
77741-17X2PC12	Preformed Packing
845-2181262 PC 13	Preformed Packing
C-4261 PC.12	Preformed Packing
C-4613/003223	Preformed Packing
C-4613PC13	Preformed Packing
PL-706 PC.12	Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-01-165-6576?

The FSCG of the NSN 5330-01-165-6576 is 5330

Does the NSN 5330-01-165-6576 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-01-165-6576 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 5330-01-165-6576 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-165-6576 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 5330-01-165-6576 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Nov 1, 1983