100SS-1-045

View detailed technical data, stock status, and sourcing information for: 100SS-1-045
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-785-0789

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

right-hand all ends thread direction, spring disk loading method, 250.0 fahrenheit single response maximum operating temp, plain (pipe) all ends connection style, ball flow control device

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: ball
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Adjustable Pressure Range: +2.0 to 100.0 pounds per square inch
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Material: copper alloy body
Material: copper alloy seat
Material: steel corrosion resisting flow control device
Media For Which Designed: air single response
Style Designator: straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-115-3920	No Name Available	01/01/2009

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
100 1-8 80	Safety Relief Valve
100SS-1-045	Safety Relief Valve
100SS45-1-8	Safety Relief Valve
93145	Safety Relief Valve
VAL1590	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-785-0789?

The FSCG of the NSN 4820-00-785-0789 is 4820

Does the NSN 4820-00-785-0789 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-785-0789 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 4820-00-785-0789 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-785-0789 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 4820-00-785-0789 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962