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Technical Data Sheet
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LD546689 — VALVE,AIR THROTTLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

LD546689: VALVE,AIR THROTTLE.

The VALVE,AIR THROTTLE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-146-3685, 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
LD546689
NSN: 4820-01-146-3685
FSC: 4820 — Valves, Nonpowered
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
general_characteristics_item_descriptionLENGTH 13.187 IN.,WIDTH 5.437 IN.,HEIGHT 7.062 IN.,EXTERIOR SURFACESPAINTED WITH HAZE GRAY PAINT,5 AIR PORTS,WORKING PRESSURE 90.0 TO 95.0 PSI IN
NSN4820-01-146-3685
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LD546689 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: LENGTH 13.187 IN.,WIDTH 5.437 IN.,HEIGHT 7.062 IN.,EXTERIOR SURFACESPAINTED WITH HAZE GRAY PAINT,5 AIR PORTS,WORKING PRESSURE 90.0 TO 95.0 PSI IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONLENGTH 13.187 IN.,WIDTH 5.437 IN.,HEIGHT 7.062 IN.,EXTERIOR SURFACESPAINTED WITH HAZE GRAY PAINT,5 AIR PORTS,WORKING PRESSURE 90.0 TO 95.0 PSI IN
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 1
4820PL0856088Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LD546689?
LD546689 is a VALVE,AIR THROTTLE.
What parts can replace LD546689?
There is 1 known substitute for LD546689: 4820PL0856088. Substitute compatibility should be verified for your specific system.
What is the NSN for LD546689?
LD546689 is cataloged in the U.S. Government catalog under NSN 4820-01-146-3685. This indicates validated use in U.S. government and defense supply chains.
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