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1520C20 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1520C20: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) BODY, valve_size: 2.000 INCHES IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, style_designator: STRAIGHT THRU, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, face_to_face_distance: 6.140 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-679-8607, 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
1520C20
NSN: 4820-01-679-8607
FSC: 4820 — Valves, Nonpowered
CAGE: 5C5H7 — NDS INTERNATIONAL, INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) BODY
valve_size2.000 INCHES IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
style_designatorSTRAIGHT THRU
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
face_to_face_distance6.140 INCHES IN
maximum_operating_temp70.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
end_item_identification4520-01-564-3917; ENHANCED HEATING SYSTEM, RATION, TRAY
media_for_which_designedWATER, FRESH SINGLE RESPONSE
part_name_assigned_by_controlling_agencySWING CHECK VALVE
NSN4820-01-679-8607
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1520C20 · 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: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE SIZE: 2.000 INCHES IN
•
MAXIMUM OPERATING TEMP: 70.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
FACE TO FACE DISTANCE: 6.140 INCHES IN
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE2.000 INCHES IN
MAXIMUM OPERATING TEMP70.0 FAHRENHEIT SINGLE RESPONSE DEGF
FACE TO FACE DISTANCE6.140 INCHES IN
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYSWING CHECK VALVE
END ITEM IDENTIFICATION4520-01-564-3917; ENHANCED HEATING SYSTEM, RATION, TRAY
MATERIALRUBBER SYNTHETIC PACKING
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1520C20?
1520C20 is a VALVE,CHECK.
What is the NSN for 1520C20?
1520C20 is cataloged in the U.S. Government catalog under NSN 4820-01-679-8607. This indicates validated use in U.S. government and defense supply chains.
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