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Technical Data Sheet
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1581500 — VALVE,PILOT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1581500: VALVE,PILOT.

The VALVE,PILOT is a the manufacturer industrial component. Key specifications include end_item_identification: 2330-01-050-5635. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-143-1306, 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
1581500
NSN: 4820-01-143-1306
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identification2330-01-050-5635
general_characteristics_item_descriptionBASIC MATERIAL ANODIZED ALUMINUM 1.940 INCHES HIGH;2.380 INCHES WIDE FOR ADDITIONAL INFORMATION SEE DRAWING 1920711668084 IN
NSN4820-01-143-1306
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1581500 · 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
SUBSTITUTES & CROSS-REFERENCES 2
460650-100Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
460650Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 1581500?
1581500 is a VALVE,PILOT.
What parts can replace 1581500?
There are 2 known substitutes for 1581500: 460650-100, 460650. Substitute compatibility should be verified for your specific system.
What is the NSN for 1581500?
1581500 is cataloged in the U.S. Government catalog under NSN 4820-01-143-1306. This indicates validated use in U.S. government and defense supply chains.
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