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W135570A — VALVE,DIAPHRAGM,STOP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

W135570A: VALVE,DIAPHRAGM,STOP.

The VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-459-5775, 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
W135570A
NSN: 4820-01-459-5775
FSC: 4820 — Valves, Nonpowered
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
Part NumberW135570A
NSN4820-01-459-5775
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: W135570A · 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
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 3
4820PL1283150Reference document
Same NSN cross-reference
Reference document — Informative reference only
W135570A REV BReference document
Same NSN cross-reference
Reference document — Drawing number reference only
19458Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W135570A?
W135570A is a VALVE,DIAPHRAGM,STOP.
What parts can replace W135570A?
There are 3 known substitutes for W135570A: 4820PL1283150, W135570A REV B, 19458. Substitute compatibility should be verified for your specific system.
What is the NSN for W135570A?
W135570A is cataloged in the U.S. Government catalog under NSN 4820-01-459-5775. This indicates validated use in U.S. government and defense supply chains.
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