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307403 ✓ 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

The COUNTERWEIGHT,MOTOR is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR TUBE, flexibility: FLEXIBLE, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, exterior_color: BLACK, inside_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 0.500 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 4720-00-125-3265, 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
307403
NSN: 4720-00-125-3265
FSC: 4720
CAGE: 32195 — OUTBOARD MARINE CORP JOHNSON MOTORS DIV (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR TUBE
flexibilityFLEXIBLE
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
exterior_colorBLACK
inside_diameter0.250 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
inside_surface_conditionSMOOTH
minimum_tensile_strength1500 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleROUND
measuring_method_and_length13.000 INCHES NOMINAL OVERALL IN
outer_covering_environmental_protectionACID RESISTANT AND FUEL RESISTANT AND HYDRAULIC SOLUTION RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND WATER RESISTANT
NSN4720-00-125-3265
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 307403 · 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
•
INSIDE SURFACE CONDITION: SMOOTH
•
TEST DATA DOCUMENT: 32195-314 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
OUTER COVERING ENVIRONMENTAL PROTECTION: ABRASION RESISTANT AND FUEL RESISTANT AND OIL RESISTANT AND WATER RESISTANT
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR TUBE
•
MEASURING METHOD AND LENGTH: 36.000 INCHES NOMINAL OVERALL IN
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
FLEXIBILITY: FLEXIBLE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE SURFACE CONDITIONSMOOTH
TEST DATA DOCUMENT32195-314 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
OUTER COVERING ENVIRONMENTAL PROTECTIONABRASION RESISTANT AND FUEL RESISTANT AND OIL RESISTANT AND WATER RESISTANT
MATERIALRUBBER CHLOROPRENE CLASS CR TUBE
MEASURING METHOD AND LENGTH36.000 INCHES NOMINAL OVERALL IN
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
FLEXIBILITYFLEXIBLE
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER0.250 INCHES NOMINAL IN
EXTERIOR COLORBLACK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
203909Interchangeable
interchangeable cross-reference
interchangeable
303111Interchangeable
interchangeable cross-reference
interchangeable
223909Interchangeable
interchangeable cross-reference
interchangeable
303601Interchangeable
interchangeable cross-reference
interchangeable
97AInterchangeable
interchangeable cross-reference
interchangeable
307403Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 307403?
307403 is a COUNTERWEIGHT,MOTOR.
What parts can replace 307403?
There are 17 known substitutes for 307403: 203909, 303111, 223909 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 307403?
307403 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-125-3265. 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