NSN 4820-00-845-3990

Restrictor Check Valve

FSC: 4820 NIIN: 008453990

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Product Characteristics

NSN:

4820008453990

Demilitarization:

INC:

20520

Shelf Life:

N/A

Thread Class:

3b 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Connection Style:

Flared (tube) 2nd end

Connection Type:

Threaded internal tube 1st end

Mounting Position:

Horizontal

Thready Qty Per Inch (tpi):

20 2nd end

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.438 inches 2nd end

Seat Angle:

37.0 degrees 2nd end

Outside Diameter Tube Accommodated:

0.250 inches 2nd end

Special Features:

2.730 in. Lg over-all, 0.875 in. Across flats

Material:

Steel comp 303 flow control device

Media For Which Designed:

Fuel/oil, hydrocarbon single response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625, type 2 military specification single treatment response

Style Designator:

Straight thru

Thread Series Designator:

Unf 2nd end

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE7M318T2978	6	01/29/2018	0072503718	100%

Part Numbers

1R3049-79
SAF INDUSTRIES LLC
32-69004-79
BOEING COMPANY, THE

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

SAF INDUSTRIES LLC - 26044

BOEING COMPANY, THE - 76301