416B253P2

View detailed technical data, stock status, and sourcing information for: 416B253P2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-393-9109

Item Name Code

04522

Assigment Date

07/30/1994 (31 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.

4.740 inches nominal overall width, 4.000 inches nominal bolt circle diameter, solid single or composition cross-sectional shape style, 2.950 inches nominal aperture diameter, 0.375 inches nominal hole 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: solid single or composition
Hole Diameter: 0.375 inches nominal
Bolt Circle Diameter: 4.000 inches nominal
Overall Width: 4.740 inches nominal
Aperture Diameter: 2.950 inches nominal
Outside Corner Radius: 0.370 inches nominal
Outside Corner Inverted Radius: 0.200 inches nominal
Side Radius From Gasket Center: 1.825 inches nominal
Cross-Sectional Thickness: 0.016 inches nominal
Bolt Hole Quantity: 4
Environmental Attribute Code: asbestos alternative products
Special Features: contains non-asbestos material
Style Designator: non-circular
Fsc Application Data: engine, turbojet, aircraft

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
416B253	Gasket
416B253P2	Gasket
416B253P2 NON-ASBESTOS	Gasket
416B253P2NON-ASBESTOS	Gasket
A50TF268 CL-A	Gasket

FAQs

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

What is the FSCG of the NSN 5330-01-393-9109?

The FSCG of the NSN 5330-01-393-9109 is 5330

Does the NSN 5330-01-393-9109 have a Schedule B code assigned?

Yes, the Schedule B code is 8487900080

Does NSN 5330-01-393-9109 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 5330-01-393-9109 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-393-9109 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 5330-01-393-9109 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Sat, Jul 30, 1994