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M20597 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: RUBBER SYNTHETIC TUBE, temp_rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 1.500 INCHES NOMINAL IN, outside_diameter: 2.000 INCHES NOMINAL IN, inside_surface_condition: SMOOTH, media_for_which_designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-349-1517, 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
M20597
NSN: 4720-00-349-1517
FSC: 4720
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
temp_rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter1.500 INCHES NOMINAL IN
outside_diameter2.000 INCHES NOMINAL IN
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
cross-sectional_shape_styleROUND
measuring_method_and_length7.000 INCHES NOMINAL OVERALL IN
outer_covering_environmental_protectionMILDEW RESISTANT
NSN4720-00-349-1517
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M20597 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
MEASURING METHOD AND LENGTH: 7.000 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
OUTER COVERING ENVIRONMENTAL PROTECTION: MILDEW RESISTANT
•
INSIDE SURFACE CONDITION: SMOOTH
•
MATERIAL: RUBBER SYNTHETIC TUBE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
MEASURING METHOD AND LENGTH7.000 INCHES NOMINAL OVERALL IN
TEMP RATING-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
OUTER COVERING ENVIRONMENTAL PROTECTIONMILDEW RESISTANT
INSIDE SURFACE CONDITIONSMOOTH
MATERIALRUBBER SYNTHETIC TUBE
INSIDE DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
20R1Interchangeable
interchangeable cross-reference
interchangeable
MS521301B207240Interchangeable
interchangeable cross-reference
interchangeable
1944Interchangeable
interchangeable cross-reference
interchangeable
416-0024-001Interchangeable
interchangeable cross-reference
interchangeable
5800880-121313.003Interchangeable
interchangeable cross-reference
interchangeable
RA333FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M20597?
M20597 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace M20597?
There are 13 known substitutes for M20597: 20R1, MS521301B207240, 1944 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M20597?
M20597 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-349-1517. 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