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20431-F PIECE 3 — HOUSING,MECHANICAL DRIVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20431-F PIECE 3: HOUSING,MECHANICAL DRIVE.

The HOUSING,MECHANICAL DRIVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, material_document_and_classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-275-9595, 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
20431-F PIECE 3
NSN: 4820-01-275-9595
FSC: 4820 — Valves, Nonpowered
CAGE: 04537 — ATWOOD & MORRILL CO., INC. DBA WEIR VALVES AND CONTROLS USA (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
material_document_and_classificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-01-275-9595
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20431-F PIECE 3 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
20431-FReference document
Same NSN cross-reference
Reference document — Drawing number reference only
600-2108Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20431-F PIECE 3?
20431-F PIECE 3 is a HOUSING,MECHANICAL DRIVE.
What parts can replace 20431-F PIECE 3?
There are 2 known substitutes for 20431-F PIECE 3: 20431-F, 600-2108. Substitute compatibility should be verified for your specific system.
What is the NSN for 20431-F PIECE 3?
20431-F PIECE 3 is cataloged in the U.S. Government catalog under NSN 4820-01-275-9595. This indicates validated use in U.S. government and defense supply chains.
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