6856988

View detailed technical data, stock status, and sourcing information for: 6856988
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-130-5945

Item Name Code

22113

Assigment Date

12/06/1968 (57 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

0.325 inches minimum and 0.335 inches maximum body outside diameter, angular seating surface shape, t-63 series engines end item identification, 0.120 inches minimum and 0.125 inches maximum body inside diameter, 60.000 nominal seat angle in deg

Product Characteristics

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

Body Outside Diameter: 0.325 inches minimum and 0.335 inches maximum
Body Inside Diameter: 0.120 inches minimum and 0.125 inches maximum
End Item Identification: t-63 series engines
Seat Angle In Deg: 60.000 nominal
Seating Surface Shape: angular
Material: plastic polytetrafluoroethylene overall
Material Document And Classification: rulon ld,dixon corp mfr ref single material response overall

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
10378330	Valve Seat
6856988	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-130-5945?

The FSCG of the NSN 4820-00-130-5945 is 4820

Does the NSN 4820-00-130-5945 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-130-5945 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 4820-00-130-5945 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-130-5945 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-130-5945 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Dec 6, 1968