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Technical Data Sheet
PartsTable / COMPONENT / 20-420-3046-2
20-420-3046-2 ✓ 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: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE, temp_rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 0.500 INCHES NOMINAL IN, outside_diameter: 0.938 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN, burst_test_pressure: 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS, inside_surface_condition: SMOOTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-541-0909, 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
20-420-3046-2
NSN: 4720-00-541-0909
FSC: 4720
CAGE: 71790 — CURTISS-WRIGHT CORP AIRPLANE DIV (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter0.500 INCHES NOMINAL IN
outside_diameter0.938 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
burst_test_pressure600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
nondefinitive_spec/std_data8 SIZE
specification/standard_data81349-MIL-H-7938 GOVERNMENT SPECIFICATION
layer_composition_and_location1ST LAYER BRAIDED ASBESTOS CORD AND 2ND LAYER BRAIDED FABRIC AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
NSN4720-00-541-0909
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 20-420-3046-2 · 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
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-7938 GOVERNMENT SPECIFICATION
•
BURST TEST PRESSURE: 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
TEMP RATING: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
•
OUTSIDE DIAMETER: 0.938 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
•
INSIDE SURFACE CONDITION: SMOOTH
•
NONDEFINITIVE SPEC/STD DATA: 8 SIZE
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED ASBESTOS CORD AND 2ND LAYER BRAIDED FABRIC AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-H-7938 GOVERNMENT SPECIFICATION
BURST TEST PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
TEMP RATING-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
OUTSIDE DIAMETER0.938 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
INSIDE SURFACE CONDITIONSMOOTH
NONDEFINITIVE SPEC/STD DATA8 SIZE
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED ASBESTOS CORD AND 2ND LAYER BRAIDED FABRIC AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
M7938-28-10Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-7938Interchangeable
interchangeable cross-reference
interchangeable
735327Interchangeable
interchangeable cross-reference
interchangeable
M7938-20-10Interchangeable
interchangeable cross-reference
interchangeable
H8Interchangeable
interchangeable cross-reference
interchangeable
M7938-10-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-420-3046-2?
20-420-3046-2 is a HOSE,NONMETALLIC.
What parts can replace 20-420-3046-2?
There are 12 known substitutes for 20-420-3046-2: M7938-28-10, MIL-H-7938, 735327 and 9 more. Substitute compatibility should be verified for your specific system.
Is 20-420-3046-2 still available?
20-420-3046-2 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