NSN 4820-01-493-7731

Safety Relief Valve

FSC: 4820 NIIN: 014937731

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Product Characteristics

NSN:

4820014937731

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

0.500 inches all ends

Flow Control Device:

Disk

Bonnet Type:

Inside screw

Bonnet Attachment Method:

Pressure seal, ring type

Disk Loading Method:

Spring

End Application:

W/s la class ssn (688)

Connection Style:

G46b plain (pipe) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe all ends

Maximum Operating Pressure:

4000.0 pounds per square inch single response

Part Name Assigned By Controlling Agency:

Model no 83s44-4/spl; set pressure: 20-4000 psig; mil-v-24322 grade a; service: liquid relief; conn: 1/2 in union

Special Features:

This valve is not for seawater applications. Both union end connections: outlet threads 1.062-12 un-3a, inlet threads not given on dwg. For nuclear applications see 4820-01-451-7717.

Material:

Stainless steel body

Material Specification:

Nitrile 50 duro mfr ref single material response seat

Media For Which Designed:

Liquid single response

Special Test Features:

Hi shock approval by extension supship groton, ct ltr ser 230e/5248 dated oct 9 1996

Style Designator:

Err-090

Furnished Items And Quantity:

1 lever and 1 locking device

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE7M024T6458	3	05/13/2024	7007408578	0%
SPE7MC24T0053	2	11/03/2023	7004771746	0%
SPE7MC24T0053	2	10/16/2023	7004771746	0%
SPE7MC22T432M	1	09/12/2022	0095652451	0%
SPE7MC22T287T	1	07/18/2022	0095001513	0%
SPE7MC18T228T	1	10/01/2018	0076392402	0%

Part Numbers

11.1099
PENTAIR VALVES & CONTROLS US LP
11.1099.009
ANDERSON GREENWOOD LP

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481400000 - Safety or relief valves.

Professional Distribution

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

Similar NSN

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Cage Codes

PENTAIR VALVES & CONTROLS US LP - 15187

ANDERSON GREENWOOD LP - 01343