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PartsTable / COMPONENT / R300-1-1-2
R300-1-1-2 ✓ 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 HOSE,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: LEATHER SEALING ELEMENT, body_style: BUSHING MOUNTED, case_style: SQUARE, seal_width: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, seat_angle: 30.0 DEGREES FIRST END, body_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-278-1111, 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
R300-1-1-2
NSN: 4720-00-278-1111
FSC: 4720
CAGE: 73842 — GOODYEAR TIRE AND RUBBER CO THE (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
body_styleBUSHING MOUNTED
case_styleSQUARE
seal_width0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
seat_angle30.0 DEGREES FIRST END
body_length1.000 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2A A
body_diameter0.812 INCHES NOMINAL IN
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.875 INCHES NOMINAL IN
bushing_length0.562 INCHES NOMINAL IN
NSN4720-00-278-1111
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: R300-1-1-2 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
18850Interchangeable
interchangeable cross-reference
interchangeable
3371031Interchangeable
interchangeable cross-reference
interchangeable
11680MLInterchangeable
interchangeable cross-reference
interchangeable
A894Interchangeable
interchangeable cross-reference
interchangeable
250457AInterchangeable
interchangeable cross-reference
interchangeable
16024Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R300-1-1-2?
R300-1-1-2 is a HOSE,NONMETALLIC.
What parts can replace R300-1-1-2?
There are 23 known substitutes for R300-1-1-2: 18850, 3371031, 11680ML and 20 more. Substitute compatibility should be verified for your specific system.
Is R300-1-1-2 still available?
R300-1-1-2 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