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44642-821 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

44642-821: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 957 BODY, flange_shape: ROUND ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU, flange_face_design: PLAIN ALL ENDS, valve_operation_method: HYDRAULIC. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-470-1422, 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
44642-821
NSN: 4810-01-470-1422
FSC: 4810 — Valves, Powered
CAGE: 63600 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA CURTISS-WRIGHT FLOW CONTROL CO DIV CURTISS-WRIGHT / NU-TORQUE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 957 BODY
flange_shapeROUND ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU
flange_face_designPLAIN ALL ENDS
valve_operation_methodHYDRAULIC
end_item_identificationUSS NIMITZ CLASS CVN
media_for_which_designedHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
material_document_and_classificationMIL-V-24624 MIL SPEC SINGLE MATERIAL RESPONSE BODY
NSN4810-01-470-1422
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 44642-821 · 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
•
FLANGE SHAPE: ROUND ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-V-24624 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY 957 BODY
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-V-24624 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
END ITEM IDENTIFICATIONUSS NIMITZ CLASS CVN
MATERIALCOPPER ALLOY 957 BODY
VALVE OPERATION METHODHYDRAULIC
SUBSTITUTES & CROSS-REFERENCES 2
44642Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
44642 REV A 44642-821Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 44642-821?
44642-821 is a VALVE,BUTTERFLY.
What parts can replace 44642-821?
There are 2 known substitutes for 44642-821: 44642, 44642 REV A 44642-821. Substitute compatibility should be verified for your specific system.
What is the NSN for 44642-821?
44642-821 is cataloged in the U.S. Government catalog under NSN 4810-01-470-1422. This indicates validated use in U.S. government and defense supply chains.
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