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20578-F PIECE 11 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20578-F PIECE 11: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-200-9432, 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
20578-F PIECE 11
NSN: 4820-01-200-9432
FSC: 4820 — Valves, Nonpowered
CAGE: 04537 — ATWOOD & MORRILL CO., INC. DBA WEIR VALVES AND CONTROLS USA (USA)
SPECIFICATIONS
special_featuresMATERIAL STAINLESS STEEL, QQ-S-763, CLASS 410, CONDITION A; 30 PSI MAX WORKING PRESSURE; 10 PSI SET PRESSURE; TEMP 610 DEG. FAHR. MAX; FOR 6.000 IN., 150 LBS. RELIEF VALVE LBS
NSN4820-01-200-9432
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20578-F PIECE 11 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL STAINLESS STEEL, QQ-S-763, CLASS 410, CONDITION A; 30 PSI MAX WORKING PRESSURE; 10 PSI SET PRESSURE; TEMP 610 DEG. FAHR. MAX; FOR 6.000 IN., 150 LBS. RELIEF VALVE LBS
SUBSTITUTES & CROSS-REFERENCES 1
20578-FReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20578-F PIECE 11?
20578-F PIECE 11 is a STEM,FLUID VALVE.
What parts can replace 20578-F PIECE 11?
There is 1 known substitute for 20578-F PIECE 11: 20578-F. Substitute compatibility should be verified for your specific system.
What is the NSN for 20578-F PIECE 11?
20578-F PIECE 11 is cataloged in the U.S. Government catalog under NSN 4820-01-200-9432. This indicates validated use in U.S. government and defense supply chains.
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