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Technical Data Sheet
PartsTable / COMPONENT / E20812
E20812 ✓ 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 ASSEMBLY,AIR BREATHING is a the manufacturer industrial component. Key specifications include material: STEEL REINFORCING WIRE, hose_weight: 5.000 OUNCES PER LINEAR FOOT OZ, wall_thickness: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN, connection_type: SOFT FIRST END, inside_diameter: 0.750 INCHES NOMINAL FIRST END IN, connection_style: ROUND FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-545-5473, 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
E20812
NSN: 4720-00-545-5473
FSC: 4720
CAGE: D1379 — B/E AEROSPACE SYSTEMS GMBH DIV LIFE SUPPORT SYSTEMS EUROPE (DEU)
SPECIFICATIONS
materialSTEEL REINFORCING WIRE
hose_weight5.000 OUNCES PER LINEAR FOOT OZ
wall_thickness0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
connection_typeSOFT FIRST END
inside_diameter0.750 INCHES NOMINAL FIRST END IN
connection_styleROUND FIRST END
outside_diameter1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM BOTH ENDS IN
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
features_providedOZONE RESISTANT
end_overall_length0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM SECOND END IN
end_inside_diameter0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM FIRST END IN
cross-sectional_shape_styleROUNDROUND
NSN4720-00-545-5473
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: E20812 · 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
•
MATERIAL: STEEL REINFORCING WIRE
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
•
CONNECTION TYPE: SOFT FIRST END
•
END OVERALL LENGTH: 0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM SECOND END IN
•
HOSE WEIGHT: 5.000 OUNCES PER LINEAR FOOT OZ
•
OUTSIDE DIAMETER: 1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM BOTH ENDS IN
•
CONNECTION STYLE: ROUND FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL REINFORCING WIRE
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
CONNECTION TYPESOFT FIRST END
END OVERALL LENGTH0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM SECOND END IN
MATERIALCOTTON AND FIBERGLASS FIRST PLY
HOSE WEIGHT5.000 OUNCES PER LINEAR FOOT OZ
OUTSIDE DIAMETER1.094 INCHES MINIMUM AND 1.250 INCHES MAXIMUM BOTH ENDS IN
CONNECTION STYLEROUND FIRST END
FEATURES PROVIDEDOZONE RESISTANT
END INSIDE DIAMETER0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
REDAR A90105-13Interchangeable
interchangeable cross-reference
interchangeable
WS4127-3-72Interchangeable
interchangeable cross-reference
interchangeable
266AS100-3Interchangeable
interchangeable cross-reference
interchangeable
266AS100Interchangeable
interchangeable cross-reference
interchangeable
A80910-6Interchangeable
interchangeable cross-reference
interchangeable
12111-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E20812?
E20812 is a HOSE ASSEMBLY,AIR BREATHING.
What parts can replace E20812?
There are 27 known substitutes for E20812: REDAR A90105-13, WS4127-3-72, 266AS100-3 and 24 more. Substitute compatibility should be verified for your specific system.
Is E20812 still available?
E20812 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