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Technical Data Sheet
PartsTable / COMPONENT / 6449
6449 ✓ 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

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include special_features: STRAIGHT; 15 CM LENGTH; FOR THE MIDAS REX LEGEND SURGICAL DRILL SYSTEM CM, part_name_assigned_by_controlling_agency: HOLDER DRILL BIT SURG STRAIGHT 15CM LG MIDAS REX LEGEND CM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-2493, 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
6449
NSN: 4820-00-036-2493
FSC: 4820
CAGE: 97370 — SPX FLOW US, LLC DBA SPX VALVES & CONTROLS (USA)
SPECIFICATIONS
special_featuresSTRAIGHT; 15 CM LENGTH; FOR THE MIDAS REX LEGEND SURGICAL DRILL SYSTEM CM
part_name_assigned_by_controlling_agencyHOLDER DRILL BIT SURG STRAIGHT 15CM LG MIDAS REX LEGEND CM
NSN4820-00-036-2493
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6449 · 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: STEEL CORROSION RESISTING
•
SEAT ANGLE: 30.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: POPPET
•
SHANK DIAMETER: 0.500 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 2.450 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.635 INCHES NOMINAL IN
•
TIP DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
SEAT ANGLE30.0 DEGREES NOMINAL
STYLE DESIGNATORPOPPET
SHANK DIAMETER0.500 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT2.450 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.635 INCHES NOMINAL IN
TIP DIAMETER0.375 INCHES NOMINAL IN
SPECIAL FEATURESSHANK FLATTED ON THREE SIDES A DISTANCE OF 0.625 IN.STARTING 1.700 IN.FROM TOP AND GROOVED ON SHANK,GROOVE WIDTH 0.145 IN,DEPTH 0.065 IN.LOCATION 0.353 IN.FROM TOP IN
OVERALL HEIGHT3.085 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MS17161-139Interchangeable
interchangeable cross-reference
interchangeable
1123FInterchangeable
interchangeable cross-reference
interchangeable
803-2177518-16XX-34Interchangeable
interchangeable cross-reference
interchangeable
6449Interchangeable
interchangeable cross-reference
interchangeable
38404RInterchangeable
interchangeable cross-reference
interchangeable
GX3382VInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6449?
6449 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace 6449?
There are 11 known substitutes for 6449: MS17161-139, 1123F, 803-2177518-16XX-34 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6449?
6449 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-2493. 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