NSN 4820-00-052-6567

Check Valve

FSC: 4820 NIIN: 000526567

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Product Characteristics

NSN:

4820000526567

Demilitarization:

DEMIL/MLI

INC:

05487

Shelf Life:

N/A

Thread Class:

3a all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Disk

Disk Loading Method:

Spring

Maximum Operating Temp:

275.0 degrees fahrenheit 2nd response

Connection Style:

Flared (tube) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube all ends

Mounting Position:

Horizontal or vertical

Thready Qty Per Inch (tpi):

12 all ends

Maximum Operating Pressure:

60.0 pounds per square inch single response

Thread Size:

1.625 inches all ends

Seat Angle:

37.0 degrees 1st end

Outside Diameter Tube Accommodated:

1.250 inches all ends

Material:

Aluminum alloy seat

Media For Which Designed:

Hydraulic fluid, phosphate-ester base single response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625, type 1 military specification single treatment response

Style Designator:

Straight thru

Thread Series Designator:

Un all ends

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE7MC24T0353	2	10/16/2023	7004815794	0%
SPE7MC18T6186	2	02/23/2018	0072826512	0%
SPE7MC18T4464	1	01/12/2018	0072308775	0%

Part Numbers

123SCH181-20
NORTHROP GRUMMAN SYSTEMS CORPORATION
F61A0106
PARKER HANNIFIN CORPORATION

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481309000 - Check valves of materials other than copper, iron or steel.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

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Cage Codes

NORTHROP GRUMMAN SYSTEMS CORPORATION - 26512

PARKER HANNIFIN CORPORATION - 92003