NSN 4820-00-858-2531

Check Valve

FSC: 4820 NIIN: 008582531

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Product Characteristics

NSN:

4820008582531

Demilitarization:

INC:

05487

Shelf Life:

N/A

Thread Class:

3b 2nd end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

250.0 degrees fahrenheit single response

Connection Style:

Gasket seal (boss) 2nd end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal boss 2nd end

Mounting Position:

Horizontal or vertical

Thready Qty Per Inch (tpi):

16 1st end

Thread Size:

0.750 inches 2nd end

Seat Angle:

37.0 degrees 1st end

Special Features:

Part of oil tank assembly, engine, used on allison propjet, convair model 580 airplane

Material:

Steel comp 416 body

Material Specification:

Qq-s-753 federal specification single material response body

Media For Which Designed:

Air single response

Surface Treatment:

Passivate

Surface Treatment Specification:

Mil-s-5002 military specification single treatment response

Style Designator:

Straight thru

Thread Series Designator:

Unj 1st end

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE7MC19U0041	42	12/07/2018	0077208590	0%
SPE7MC19T2230	42	11/26/2018	0077208590	100%
SPE7MC17TG189	20	04/17/2017	0068436913	0%
SPE7MC16T0106	23	10/15/2015	0060694111	100%

Part Numbers

21R3081-5
SAF INDUSTRIES LLC

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

SAF INDUSTRIES LLC - 26044