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44553 ✓ 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 CUTTER BIT,TOOL HOLDER is a the manufacturer industrial component. Key specifications include shape: SQUARE, material: COBALT, edge_type: SQUARE NOSE, body_width: 3.375 INCHES NOMINAL IN, body_height: 1.650 INCHES MAXIMUM IN, body_length: 3.725 INCHES NOMINAL 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 4820-00-980-3653, 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
44553
NSN: 4820-00-980-3653
FSC: 4820
CAGE: 38683 — DRESSER INDUSTRIES INC MASONEILAN NORTH AMERICAN OPNS DRESSER VALVE AND CONTROLS DIV (USA)
SPECIFICATIONS
shapeSQUARE
materialCOBALT
edge_typeSQUARE NOSE
body_width3.375 INCHES NOMINAL IN
body_height1.650 INCHES MAXIMUM IN
body_length3.725 INCHES NOMINAL IN
overall_width0.625 INCHES NOMINAL IN
inclosure_typeOPEN
overall_length4.500 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
outside_diameter4.812 INCHES NOMINAL IN
NSN4820-00-980-3653
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 44553 · 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
•
MATERIAL THICKNESS: 0.007 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.812 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
STYLE DESIGNATOR: FLAT
•
CENTER HOLE DIAMETER: 0.513 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.007 INCHES NOMINAL IN
OUTSIDE DIAMETER4.812 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
STYLE DESIGNATORFLAT
CENTER HOLE DIAMETER0.513 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
44-250Interchangeable
interchangeable cross-reference
interchangeable
4823-720Interchangeable
interchangeable cross-reference
interchangeable
44553Interchangeable
interchangeable cross-reference
interchangeable
855-44553Interchangeable
interchangeable cross-reference
interchangeable
3505-0625Interchangeable
interchangeable cross-reference
interchangeable
43915Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44553?
44553 is a CUTTER BIT,TOOL HOLDER.
What parts can replace 44553?
There are 10 known substitutes for 44553: 44-250, 4823-720, 44553 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 44553?
44553 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-980-3653. 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