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641-8522 ITEM 16 — DISTILLATION UNIT,WATER,THERMOCO

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

641-8522 ITEM 16: DISTILLATION UNIT,WATER,THERMOCO.

DISTILLATION UNIT,WATER,THERMOCO. Key specifications include body_material: GLASS, connection_type: THREADED EXTERNAL, COMPRESSION AND THREADED INTERNAL PIPE, special_features: INCL FITTINGS AND HANDLEVER, nominal_thread_size: 0.500 INCHES IN, valve_operation_method: MANUAL, end_item_identification: 4620-01-348-5987. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-355-0600, 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
641-8522 ITEM 16
NSN: 4820-01-355-0600
FSC: 4820 — Valves, Nonpowered
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
body_materialGLASS
connection_typeTHREADED EXTERNAL, COMPRESSION AND THREADED INTERNAL PIPE
special_featuresINCL FITTINGS AND HANDLEVER
nominal_thread_size0.500 INCHES IN
valve_operation_methodMANUAL
end_connection_quantity2
end_item_identification4620-01-348-5987
thread_series_designatorNPT
furnished_items_and_quantity1 LEVER
NSN4820-01-355-0600
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 641-8522 ITEM 16 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 LEVER
•
CONNECTION TYPE: THREADED EXTERNAL, COMPRESSION AND THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 2
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
BODY MATERIAL: GLASS
•
THREAD SERIES DESIGNATOR: NPT
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 LEVER
CONNECTION TYPETHREADED EXTERNAL, COMPRESSION AND THREADED INTERNAL PIPE
END CONNECTION QUANTITY2
NOMINAL THREAD SIZE0.500 INCHES IN
BODY MATERIALGLASS
SPECIAL FEATURESINCL FITTINGS AND HANDLEVER
END ITEM IDENTIFICATION4620-01-348-5987
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 2
739-07530-000Reference document
Same NSN cross-reference
Reference document — Secondary reference
641-8522Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 641-8522 ITEM 16?
641-8522 ITEM 16 is a DISTILLATION UNIT,WATER,THERMOCO.
What parts can replace 641-8522 ITEM 16?
There are 2 known substitutes for 641-8522 ITEM 16: 739-07530-000, 641-8522. Substitute compatibility should be verified for your specific system.
What is the NSN for 641-8522 ITEM 16?
641-8522 ITEM 16 is cataloged in the U.S. Government catalog under NSN 4820-01-355-0600. This indicates validated use in U.S. government and defense supply chains.
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