SS-645-FPAR

View detailed technical data, stock status, and sourcing information for: SS-645-FPAR
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-233-4959

Item Name Code

05483

Assigment Date

05/31/1986 (40 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

2b all ends thread class, right-hand all ends thread direction, inside screw bonnet type, stem flow control device, threaded bonnet attachment method

Product Characteristics

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

Thread Class: 2b all ends
Thread Direction: right-hand all ends
Flow Control Device: stem
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: high pressure flare(tube) all ends
Valve Operation Method: manual
Connection Type: threaded internal tube all ends
Mounting Facility: panel
Maximum Operating Pressure: 45000.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Seat Angle: 15.0 degrees all ends
Nominal Outside Diameter Tube Accommodated: 0.375 inches all ends
Special Features: replaceable seat and non-rotating stem
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Material: steel corrosion resisting stem
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: unf all ends

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
SS-645-FPAR	Angle Valve
SS-6NBF6-A	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-01-233-4959?

The FSCG of the NSN 4820-01-233-4959 is 4820

Does the NSN 4820-01-233-4959 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-01-233-4959 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 4820-01-233-4959 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-233-4959 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 4820-01-233-4959 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, May 31, 1986