497-Y

View detailed technical data, stock status, and sourcing information for: 497-Y
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-031-9496

Item Name Code

61082

Assigment Date

12/04/1976 (49 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

chamfered inside left corner corner shape, 0.9833 inches minimum and 0.9850 inches maximum body outside diameter, 0.7512 inches minimum and 0.7525 inches maximum body inside diameter, 3.7500 inches nominal overall length, square outside left corner corner shape

Product Characteristics

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

Overall Length: 3.7500 inches nominal
Body Outside Diameter: 0.9833 inches minimum and 0.9850 inches maximum
Body Inside Diameter: 0.7512 inches minimum and 0.7525 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: square outside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Keyway Dimension: 0.1259 inches minimum and 0.1275 inches maximum internal keyway width
Material: steel overall
Style Designator: solid, plain, no outside flanges

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
497-Y	Pump Shaft Sleeve

FAQs

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

What is the FSCG of the NSN 4320-01-031-9496?

The FSCG of the NSN 4320-01-031-9496 is 4320

Does the NSN 4320-01-031-9496 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-031-9496 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 4320-01-031-9496 contain precious materials?

Precious metal content is unknown

Does NSN 4320-01-031-9496 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 4320-01-031-9496 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Dec 4, 1976