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PartsTable / COMPONENT / A20523CP
A20523CP ✓ 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 DISK,RUPTURABLE is a the manufacturer industrial component. Key specifications include disk_size: 2.000 INCHES IN, disk_material: ALUMINUM, burst_pressure: 75.0 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-404-1554, 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
A20523CP
NSN: 4820-00-404-1554
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
disk_size2.000 INCHES IN
disk_materialALUMINUM
burst_pressure75.0 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
NSN4820-00-404-1554
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A20523CP · 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
•
DISK MATERIAL: ALUMINUM
•
DISK SIZE: 2.000 INCHES IN
•
BURST PRESSURE: 75.0 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
TECHNICAL CHARACTERISTICS (FLIS)
DISK MATERIALALUMINUM
DISK SIZE2.000 INCHES IN
BURST PRESSURE75.0 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
17701BInterchangeable
interchangeable cross-reference
interchangeable
17701Interchangeable
interchangeable cross-reference
interchangeable
AN381-2-8Interchangeable
interchangeable cross-reference
interchangeable
A20524Interchangeable
interchangeable cross-reference
interchangeable
37503140Interchangeable
interchangeable cross-reference
interchangeable
L17701Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A20523CP?
A20523CP is a DISK,RUPTURABLE.
What parts can replace A20523CP?
There are 13 known substitutes for A20523CP: 17701B, 17701, AN381-2-8 and 10 more. Substitute compatibility should be verified for your specific system.
Is A20523CP still available?
A20523CP is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026