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52503.45 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

52503.45: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 836 SEAT, bonnet_type: OUTSIDE SCREW-YOKE, flow_control_device: DISK, material_document_and_classification: ASTN B52 ASSN STD SINGLE MATERIAL RESPONSE SEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-592-2021, 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
52503.45
NSN: 4820-01-592-2021
FSC: 4820 — Valves, Nonpowered
CAGE: 1QP40 — W & O SUPPLY INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 836 SEAT
bonnet_typeOUTSIDE SCREW-YOKE
flow_control_deviceDISK
material_document_and_classificationASTN B52 ASSN STD SINGLE MATERIAL RESPONSE SEAT
NSN4820-01-592-2021
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 52503.45 · 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
•
FLOW CONTROL DEVICE: DISK
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTN B52 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
BONNET TYPE: OUTSIDE SCREW-YOKE
•
MATERIAL: COPPER ALLOY 836 BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTN B52 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTN B52 ASSN STD SINGLE MATERIAL RESPONSE SEAT
BONNET TYPEOUTSIDE SCREW-YOKE
MATERIALCOPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY 836 SEAT
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 1
052503.450Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 52503.45?
52503.45 is a VALVE,CHECK.
What parts can replace 52503.45?
There is 1 known substitute for 52503.45: 052503.450. Substitute compatibility should be verified for your specific system.
What is the NSN for 52503.45?
52503.45 is cataloged in the U.S. Government catalog under NSN 4820-01-592-2021. This indicates validated use in U.S. government and defense supply chains.
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