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Technical Data Sheet
PartsTable / COMPONENT / 644611-5
644611-5 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include flange_shape: ROUND FIRST END, connection_type: FLANGE FIRST END, style_designator: STRAIGHT THRU FLANGED ENDS, nominal_thickness: 0.100 INCHES FIRST END IN, flange_face_design: RECESSED STRAIGHT FIRST END, recess_nominal_depth: 0.110 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-674-1648, 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
644611-5
NSN: 4810-00-674-1648
FSC: 4810
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
flange_shapeROUND FIRST END
connection_typeFLANGE FIRST END
style_designatorSTRAIGHT THRU FLANGED ENDS
nominal_thickness0.100 INCHES FIRST END IN
flange_face_designRECESSED STRAIGHT FIRST END
recess_nominal_depth0.110 INCHES FIRST END IN
face_to_face_distance2.750 INCHES IN
current_rating_in_amps1.500
recess_nominal_diameter2.080 INCHES FIRST END IN
nominal_outside_diameter2.720 INCHES FIRST END IN
voltage_in_volts_and_current_type18.0 DC AND 30.0 DC
NSN4810-00-674-1648
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 644611-5 · 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
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 18.0 DC AND 30.0 DC
•
FLANGE SHAPE: ROUND FIRST END
•
FACE TO FACE DISTANCE: 2.750 INCHES IN
•
RECESS NOMINAL DIAMETER: 2.080 INCHES FIRST END IN
•
NOMINAL OUTSIDE DIAMETER: 2.720 INCHES FIRST END IN
•
NOMINAL THICKNESS: 0.100 INCHES FIRST END IN
•
CURRENT RATING IN AMPS: 1.500
•
FLANGE FACE DESIGN: RECESSED STRAIGHT FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE IN VOLTS AND CURRENT TYPE18.0 DC AND 30.0 DC
FLANGE SHAPEROUND FIRST END
FACE TO FACE DISTANCE2.750 INCHES IN
RECESS NOMINAL DIAMETER2.080 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER2.720 INCHES FIRST END IN
NOMINAL THICKNESS0.100 INCHES FIRST END IN
CURRENT RATING IN AMPS1.500
FLANGE FACE DESIGNRECESSED STRAIGHT FIRST END
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
C12301Interchangeable
interchangeable cross-reference
interchangeable
110 1-7/16Interchangeable
interchangeable cross-reference
interchangeable
74092Interchangeable
interchangeable cross-reference
interchangeable
10018550-115Interchangeable
interchangeable cross-reference
interchangeable
45-2656-18Interchangeable
interchangeable cross-reference
interchangeable
313-600Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 644611-5?
644611-5 is a VALVE,BUTTERFLY.
What parts can replace 644611-5?
There are 11 known substitutes for 644611-5: C12301, 110 1-7/16, 74092 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 644611-5?
644611-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-674-1648. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026