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Technical Data Sheet
PartsTable / COMPONENT / 40820-208
40820-208 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: TIN ALLOY AND COPPER ALLOY BODY, valve_size: 2.50 INCHES IN, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU W/OFFSET FLANGED ENDS, operating_pressure: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-694-1757, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
40820-208
NSN: 4820-01-694-1757
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialTIN ALLOY AND COPPER ALLOY BODY
valve_size2.50 INCHES IN
flange_shapeROUND ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU W/OFFSET FLANGED ENDS
operating_pressure60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceSTEM
valve_operation_methodAUTOMATIC
end_item_identificationPRESSURE REDUCING VALVE
material_document_and_classificationASTM B61 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY
part_name_assigned_by_controlling_agencyPRESSURE REDUCING VALVE
NSN4820-01-694-1757
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40820-208 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONNECTION TYPE: FLANGE ALL ENDS
•
MATERIAL: TIN ALLOY AND COPPER ALLOY BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY
•
OPERATING PRESSURE: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
STYLE DESIGNATOR: STRAIGHT THRU W/OFFSET FLANGED ENDS
•
FLANGE SHAPE: ROUND ALL ENDS
•
VALVE SIZE: 2.50 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEFLANGE ALL ENDS
MATERIALTIN ALLOY AND COPPER ALLOY BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY
PART NAME ASSIGNED BY CONTROLLING AGENCYPRESSURE REDUCING VALVE
OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATORSTRAIGHT THRU W/OFFSET FLANGED ENDS
FLANGE SHAPEROUND ALL ENDS
VALVE SIZE2.50 INCHES IN
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICESTEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40820-2Interchangeable
interchangeable cross-reference
interchangeable
40820-2 PC 35Interchangeable
interchangeable cross-reference
interchangeable
706-02Interchangeable
interchangeable cross-reference
interchangeable
709-03Interchangeable
interchangeable cross-reference
interchangeable
40820-2 PC NO 25Interchangeable
interchangeable cross-reference
interchangeable
2228-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40820-208?
40820-208 is a VALVE,SAFETY RELIEF.
What parts can replace 40820-208?
There are 8 known substitutes for 40820-208: 40820-2, 40820-2 PC 35, 706-02 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40820-208?
40820-208 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-694-1757. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026