11257-72 BUNA-N

View detailed technical data, stock status, and sourcing information for: 11257-72 BUNA-N
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-137-2746

Item Name Code

35224

Assigment Date

08/23/1982 (43 years ago)

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

1.812 inches nominal outside diameter, 300.0 pounds per square inch nominal pressure rating, 0.203 inches nominal overall height, 0.750 inches nominal inside diameter, 180.0 fahrenheit nominal temp rating

Product Characteristics

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

Inside Diameter: 0.750 inches nominal
Outside Diameter: 1.812 inches nominal
Overall Height: 0.203 inches nominal
Temp Rating: 180.0 fahrenheit nominal
Pressure Rating: 300.0 pounds per square inch nominal
Material: rubber
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
11257-72	Valve Disk
11257-72 BUNA-N	Valve Disk
B311257-72	Valve Disk
C3256	Valve Disk
C3256 1-1/2 IN ITEM 9	Valve Disk
C3277 1-1/2 IN PL4141 PIECE 9	Valve Disk
C3277 1-1/2 IN PL4207 PIECE 9	Valve Disk
PL-1382 PIECE 9	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-137-2746?

The FSCG of the NSN 4820-01-137-2746 is 4820

Does the NSN 4820-01-137-2746 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-137-2746 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 4820-01-137-2746 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-137-2746 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 4820-01-137-2746 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, Aug 23, 1982