2640-695X1 PIEC

View detailed technical data, stock status, and sourcing information for: 2640-695X1 PIEC
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-878-0471

Item Name Code

22113

Assigment Date

01/01/1960 (66 years ago)

45.000 nominal seat angle in deg, 1.746 inches nominal body outside diameter, 0.812 inches nominal body inside diameter, grooved seal accommodation type, 0.312 inches nominal overall height

Product Characteristics

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

Overall Height: 0.312 inches nominal
Body Outside Diameter: 1.746 inches nominal
Body Inside Diameter: 0.812 inches nominal
Seat Angle In Deg: 45.000 nominal
Seal Accommodation Type: grooved
Hardness Rating: 75.0 rockwell m nominal body
Hardness Rating: 75.0 rockwell m nominal face
Seating Surface Shape: angular
Material: plastic polyamide (nylon) overall
Style Designator: plain

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
20-09523	Valve Seat
2640-695X1 PIEC	Valve Seat
N050-6	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-878-0471?

The FSCG of the NSN 4820-00-878-0471 is 4820

Does the NSN 4820-00-878-0471 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-878-0471 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 4820-00-878-0471 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-878-0471 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 4820-00-878-0471 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960