LL2124-C 101 T140 PSI

View detailed technical data, stock status, and sourcing information for: LL2124-C 101 T140 PSI
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-209-0276

Item Name Code

05488

Assigment Date

05/22/1985 (41 years ago)

inside spring bonnet type, disk flow control device, 4 all ends bolt hole quantity, union bonnet attachment method, spring disk loading method

Product Characteristics

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

Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: union
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.250 inches
Adjustable Pressure Range: +101.0 to 140.0 pounds per square inch
Maximum Operating Pressure: 140.0 pounds per square inch single response
Nominal Outside Diameter: 4.500 inches all ends
Nominal Thickness: 0.438 inches all ends
First Connection Face To Centerline Distance: 3.750 inches
Bolt Hole Nominal Diameter: 0.562 inches all ends
Second Connection Face To Centerline Distance: 3.000 inches
Bolt Circle Nominal Diameter: 3.375 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Material: nickel alloy seat
Material Document And Classification: mil-b-16541 mil spec single material response body
Material Document And Classification: qq-b-637 fed spec single material response flow control device
Material Document And Classification: qq-b-637 fed spec single material response stem
Material Document And Classification: qq-n-281 fed spec single material response seat
Media For Which Designed: water-oil-gas single response
Style Designator: angle flanged 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
LL2124-C 101 T0	Safety Relief Valve
LL2124-C 101 T14	Safety Relief Valve
LL2124-C 101 T140 PSI	Safety Relief Valve
NMP-233	Safety Relief Valve
NMP-233-101 T140	Safety Relief Valve
NMP-233-101 T140 PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-209-0276?

The FSCG of the NSN 4820-01-209-0276 is 4820

Does the NSN 4820-01-209-0276 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-209-0276 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 4820-01-209-0276 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-209-0276 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 4820-01-209-0276 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, May 22, 1985