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B35775MOD Check Valve

4820-00-138-1916

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Official Item Classification

Name
Check Valve
Part Number
B35775MOD
(NSN) National Stock Number
4820-00-138-1916
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05487
(FIIG) Federal Item Identification Guide
A530B0
Date
08/09/1971 (55 years ago)

socket (pipe) all ends connection style, 775.0 fahrenheit single response maximum operating temp, 2.000 inches all ends nominal pipe size accommodated, disk flow control device, threaded renewable seat ring type

Specs & Compatibility

Nominal Pipe Size Accommodated

2.000 inches all ends

Flow Control Device

disk

Renewable Seat Ring Type

threaded

Maximum Operating Temp

775.0 fahrenheit single response

Connection Style

socket (pipe) all ends

Valve Operation Method

automatic

Connection Type

unthreaded internal pipe all ends

Mounting Position

horizontal or vertical

Maximum Operating Pressure

600.0 pounds per square inch single response

Special Features

valve size 2.000 in.

Material

cobalt alloy seat

Material

cobalt alloy flow control device

Material

aluminum alloy 2024 body

Material Document And Classification

astm a216,grade wcb assn std single material response body

Media For Which Designed

steam single response

Style Designator

straight thru

Test Data Document

"81349-mil-s-901 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

c group and 3 type and 5 trim and 600 class

Replacement For

Part Number Description
4820-01-137-3302 No Name Available 08/01/2017
4820-01-186-0739 No Name Available 08/01/1989

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005487

Related Hardware Products

Part Number Description
B35775M0DCID882035429 Check Valve
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SW4835-FHF 2IN Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-138-1916?
The FSCG of the NSN 4820-00-138-1916 is 4820
Does the NSN 4820-00-138-1916 have a Schedule B code assigned?
Yes, the Schedule B code is 8481309000
Does NSN 4820-00-138-1916 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 4820-00-138-1916 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-138-1916 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 4820-00-138-1916 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, Aug 9, 1971