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Technical Data Sheet
PartsTable / COMPONENT / R300-1-1-4
R300-1-1-4 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: RUBBER SYNTHETIC TUBE, temp_rating: 40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 1.250 INCHES NOMINAL IN, outside_diameter: 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, burst_test_pressure: 800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-278-1112, 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
R300-1-1-4
NSN: 4720-00-278-1112
FSC: 4720
CAGE: 73842 — GOODYEAR TIRE AND RUBBER CO THE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
temp_rating40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter1.250 INCHES NOMINAL IN
outside_diameter1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
burst_test_pressure800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
inside_surface_conditionSMOOTH
media_for_which_designedALCOHOL, ETHYL AND FUEL/OIL, HYDROCARBON AND WATER, FRESH SINGLE RESPONSE
hydrostatic_test_pressure400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
cross-sectional_shape_styleROUND
specification/standard_data81349-MIL-H-6000 GOVERNMENT SPECIFICATION
minimum_inside_bending_radius15.000 INCHES IN
NSN4720-00-278-1112
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: R300-1-1-4 · 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
•
OUTSIDE DIAMETER: 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
TEMP RATING: 40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 15.000 INCHES IN
•
BURST TEST PRESSURE: 800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-6000 GOVERNMENT SPECIFICATION
•
MEDIA FOR WHICH DESIGNED: ALCOHOL, ETHYL AND FUEL/OIL, HYDROCARBON AND WATER, FRESH SINGLE RESPONSE
•
MATERIAL: RUBBER SYNTHETIC TUBE
•
HYDROSTATIC TEST PRESSURE: 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
TEMP RATING40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS15.000 INCHES IN
BURST TEST PRESSURE800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA81349-MIL-H-6000 GOVERNMENT SPECIFICATION
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL AND FUEL/OIL, HYDROCARBON AND WATER, FRESH SINGLE RESPONSE
MATERIALRUBBER SYNTHETIC TUBE
HYDROSTATIC TEST PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
INSIDE SURFACE CONDITIONSMOOTH
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
6245Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-7061Interchangeable
interchangeable cross-reference
interchangeable
181-61Interchangeable
interchangeable cross-reference
interchangeable
43209Interchangeable
interchangeable cross-reference
interchangeable
GGG-G-17Interchangeable
interchangeable cross-reference
interchangeable
637Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R300-1-1-4?
R300-1-1-4 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace R300-1-1-4?
There are 20 known substitutes for R300-1-1-4: 6245, MIL-H-7061, 181-61 and 17 more. Substitute compatibility should be verified for your specific system.
Is R300-1-1-4 still available?
R300-1-1-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026