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A20523CP — DISK,RUPTURABLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A20523CP: DISK,RUPTURABLE.

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 U.S.

Government catalog 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 — Valves, Nonpowered
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
•
BURST PRESSURE: 75.0 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
DISK SIZE: 2.000 INCHES IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
TECHNICAL CHARACTERISTICS
DISK MATERIALALUMINUM
BURST PRESSURE75.0 PRESSURE POUNDS PER SQUARE INCH ABSOLUTE
CRITICALITY CODE JUSTIFICATIONZZZY
DISK SIZE2.000 INCHES IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
SUBSTITUTES & CROSS-REFERENCES 7
8622286-01Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
17701Reference document
Same NSN cross-reference
Reference document — Secondary reference
8622286-01CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2INUT75PSIAT72FALReference document
Same NSN cross-reference
Reference document — Secondary reference
17701CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2INUT75PSIAT72FALCPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A20523CP?
A20523CP is a DISK,RUPTURABLE.
What parts can replace A20523CP?
There are 7 known substitutes for A20523CP: 8622286-01, 17701, 8622286-01CP and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A20523CP?
A20523CP is cataloged in the U.S. Government catalog under NSN 4820-00-404-1554. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.