TYPE NE

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-181-8912

Item Name Code

27565

Assigment Date

10/24/1970 (55 years ago)

streamlined with one brazing ring first end style designator, water, fresh and water, salt media for which designed, unthreaded internal pipe first end connection type, straight thru body style, 1.250 inches first end nominal pipe size accommodated

Product Characteristics

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

Body Style: straight thru
Media For Which Designed: water, fresh and water, salt
First End Connection Type: unthreaded internal pipe
First End Style Designator: streamlined with one brazing ring
First End Nominal Pipe Size Accommodated: 1.250 inches
Second End Relationship With First End: identical
Flow Control Device: diaphragm
End Connection Quantity: 2
Renewable Seat Ring Type: threaded
Outlet Pressure Range: +25.0 to 60.0 pounds per square inch
Regulation Type: automatic double stage
Valve Stem Design: single seat
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 150.0 pounds per square inch
Filter: not included
Temp Rating: 165.0 fahrenheit nominal
Special Features: ends w/o brazing rings installed
Special Test Features: high-impact shock tests are required as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042
Test Data Document: "81349-milv2042 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Nondefinitive Spec/Std Data: 2 type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-209-9591	No Name Available	06/01/1999
4820-01-212-1955	No Name Available	01/01/2000
4820-01-268-1994	No Name Available	10/01/2007

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
30807020	Fluid Pressure Regulating Valve
30807268REVJ	Fluid Pressure Regulating Valve
40400-09 25T60PSI	Fluid Pressure Regulating Valve
40400-901	Fluid Pressure Regulating Valve
4361 1 1/4IN 30	Fluid Pressure Regulating Valve
ASTM F 1370	Fluid Pressure Regulating Valve
MIL-V-20420	Fluid Pressure Regulating Valve
N-498	Fluid Pressure Regulating Valve
N-498-30-1.25IP	Fluid Pressure Regulating Valve
N-498-30-1.25IPS 25 TO 60PSI	Fluid Pressure Regulating Valve
NAP391CDS8	Fluid Pressure Regulating Valve
TYPE NE	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-181-8912?

The FSCG of the NSN 4820-00-181-8912 is 4820

Does the NSN 4820-00-181-8912 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-181-8912 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 4820-00-181-8912 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-181-8912 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 4820-00-181-8912 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Sat, Oct 24, 1970