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Technical Data Sheet
PartsTable / COMPONENT / M83797/1-M1440
M83797/1-M1440 ✓ 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 M83797/1-M1440 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-540-6434, 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
M83797/1-M1440
NSN: 4720-00-540-6434
FSC: 4720
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM83797/1-M1440
NSN4720-00-540-6434
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M83797/1-M1440 · 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
•
TEMP RATING: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
BURST TEST PRESSURE: 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
OPERATING PRESSURE: 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
OUTER COVERING ENVIRONMENTAL PROTECTION: CORROSION RESISTANT
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-83797 GOVERNMENT SPECIFICATION
•
MATERIAL: RUBBER SYNTHETIC TUBE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONGRUMMAN A10 AIRCRAFT
TEMP RATING-40.0 FAHRENHEIT AND 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
BURST TEST PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
OPERATING PRESSURE750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
OUTER COVERING ENVIRONMENTAL PROTECTIONCORROSION RESISTANT
SPECIFICATION/STANDARD DATA81349-MIL-H-83797 GOVERNMENT SPECIFICATION
MATERIALRUBBER SYNTHETIC TUBE
INSIDE SURFACE CONDITIONSMOOTH
NONDEFINITIVE SPEC/STD DATA16 SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
28016Interchangeable
interchangeable cross-reference
interchangeable
72392Interchangeable
interchangeable cross-reference
interchangeable
16-141Interchangeable
interchangeable cross-reference
interchangeable
15616Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS18280Interchangeable
interchangeable cross-reference
interchangeable
44005BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M83797/1-M1440?
M83797/1-M1440 is a M83797/1-M1440.
What parts can replace M83797/1-M1440?
There are 30 known substitutes for M83797/1-M1440: 28016, 72392, 16-141 and 27 more. Substitute compatibility should be verified for your specific system.
Is M83797/1-M1440 still available?
M83797/1-M1440 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