NSN 4820-00-902-4500

Check Valve

FSC: 4820 NIIN: 009024500

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Product Characteristics

NSN:

4820009024500

Demilitarization:

INC:

05487

Shelf Life:

N/A

Thread Class:

3a all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Connection Style:

Flared (tube) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube all ends

Mounting Position:

Vertical

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.750 inches all ends

Seat Angle:

37.0 degrees 1st end

Outside Diameter Tube Accommodated:

0.500 inches 1st end

Special Features:

Bulkhead thd 3/4 in.-16 thd size, 0.358 in. Min, 0.425 in. Max thd lg on outlet flow end connection

Material:

Stainless steel seat or steel comp 303 seat or steel comp 304 seat or steel comp 321 seat

Material Specification:

Qq-s-763, type 303 federal specification 1st material response seat or qq-s-763, class 304 federal specification 2nd material response seat or qq-s-763, class 321 federal specification 3rd material response seat

Media For Which Designed:

Hydraulic fluid, mineral base single response

Surface Treatment:

Passivate

Surface Treatment Specification:

Ss-8435, united aircraft corp, sikorsky aircraft div mfr ref single treatment response

Style Designator:

Straight thru

Thread Series Designator:

Unf all ends

Specification Data:

78286-ss50-833l8c manufacturers specification

Part Numbers

265896
CRISSAIR, INC.
SS50-833L8C
SIKORSKY AIRCRAFT CORPORATION

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481302090 - Check valves of steel.

Professional Distribution

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

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Cage Codes

CRISSAIR, INC. - 99240

SIKORSKY AIRCRAFT CORPORATION - 78286