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CAT155 PL5053 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

CAT155 PL5053: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include end_item_identification: NONPOWERED VALVES, reference_number_differentiating_characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-343-7260, 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
CAT155 PL5053
NSN: 4820-01-343-7260
FSC: 4820 — Valves, Nonpowered
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
end_item_identificationNONPOWERED VALVES
reference_number_differentiating_characteristicsMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
NSN4820-01-343-7260
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: CAT155 PL5053 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONNONPOWERED VALVES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
SUBSTITUTES & CROSS-REFERENCES 4
A-10850Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
A-10850VMSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CAT155VMSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CAT155Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 CAT155 PL5053?
CAT155 PL5053 is a VALVE,CHECK.
What parts can replace CAT155 PL5053?
There are 4 known substitutes for CAT155 PL5053: A-10850, A-10850VM, CAT155VM and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CAT155 PL5053?
CAT155 PL5053 is cataloged in the U.S. Government catalog under NSN 4820-01-343-7260. 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.