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Technical Data Sheet
PartsTable / COMPONENT / M7938-20-10
M7938-20-10 ✓ 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: 1.250 INCHES NOMINAL IN, outside_diameter: 1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN, special_markings: W/DATE OF MFR, burst_test_pressure: 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-203-1159, 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
M7938-20-10
NSN: 4720-00-203-1159
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter1.250 INCHES NOMINAL IN
outside_diameter1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
special_markingsW/DATE OF MFR
burst_test_pressure600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
end_item_identificationCLARK MODEL 290M;TRACTOR,WHEELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090 W
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
cross-sectional_shape_styleROUND
nondefinitive_spec/std_data4 SIZE
specification/standard_data81349-MIL-7938 GOVERNMENT SPECIFICATION
NSN4720-00-203-1159
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M7938-20-10 · 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-7938 GOVERNMENT SPECIFICATION
•
TEMP RATING: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED ASBESTOS CORD AND 2ND LAYER BRAIDED SYNTHETIC CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
•
NONDEFINITIVE SPEC/STD DATA: 4 SIZE
•
OUTSIDE DIAMETER: 1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-7938 GOVERNMENT SPECIFICATION
TEMP RATING-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED ASBESTOS CORD AND 2ND LAYER BRAIDED SYNTHETIC CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
NONDEFINITIVE SPEC/STD DATA4 SIZE
END ITEM IDENTIFICATIONCLARK MODEL 290M;TRACTOR,WHEELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090 W
OUTSIDE DIAMETER1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
INSIDE DIAMETER1.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
M7938-28-10Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-7938Interchangeable
interchangeable cross-reference
interchangeable
H8Interchangeable
interchangeable cross-reference
interchangeable
M7938-10-10Interchangeable
interchangeable cross-reference
interchangeable
0839753Interchangeable
interchangeable cross-reference
interchangeable
170MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M7938-20-10?
M7938-20-10 is a HOSE,NONMETALLIC.
What parts can replace M7938-20-10?
There are 12 known substitutes for M7938-20-10: M7938-28-10, MIL-H-7938, H8 and 9 more. Substitute compatibility should be verified for your specific system.
Is M7938-20-10 still available?
M7938-20-10 is currently cancelled.
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Last verified: July 2026