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Technical Data Sheet
PartsTable / COMPONENT / AE371-4
AE371-4 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC TUBE, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 0.688 INCHES NOMINAL IN, features_provided: PERFORATED OUTER COVER, operating_pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-730-7361, 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
AE371-4
NSN: 4720-00-730-7361
FSC: 4720
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter0.250 INCHES NOMINAL IN
outside_diameter0.688 INCHES NOMINAL IN
features_providedPERFORATED OUTER COVER
operating_pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
burst_test_pressure20000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
end_item_identificationGRUMMAN A10 AIRCRAFT
inside_surface_conditionSMOOTH
media_for_which_designedAIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE
hydrostatic_test_pressure10000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
cross-sectional_shape_styleROUND
NSN4720-00-730-7361
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: AE371-4 · 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
•
FEATURES PROVIDED: PERFORATED OUTER COVER
•
OUTSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
INSIDE SURFACE CONDITION: SMOOTH
•
OPERATING PRESSURE: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
OUTER COVERING ENVIRONMENTAL PROTECTION: COLD RESISTANT AND OIL RESISTANT
•
MEDIA FOR WHICH DESIGNED: AIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
HYDROSTATIC TEST PRESSURE: 10000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONGRUMMAN A10 AIRCRAFT
FEATURES PROVIDEDPERFORATED OUTER COVER
OUTSIDE DIAMETER0.688 INCHES NOMINAL IN
INSIDE SURFACE CONDITIONSMOOTH
OPERATING PRESSURE5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
OUTER COVERING ENVIRONMENTAL PROTECTIONCOLD RESISTANT AND OIL RESISTANT
MEDIA FOR WHICH DESIGNEDAIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE
HYDROSTATIC TEST PRESSURE10000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
MATERIALRUBBER SYNTHETIC TUBE
MINIMUM INSIDE BENDING RADIUS4.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
1529-6Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-24135/5Interchangeable
interchangeable cross-reference
interchangeable
4179-6Interchangeable
interchangeable cross-reference
interchangeable
G30002J100Interchangeable
interchangeable cross-reference
interchangeable
400-712-015Interchangeable
interchangeable cross-reference
interchangeable
851392-0100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AE371-4?
AE371-4 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace AE371-4?
There are 24 known substitutes for AE371-4: 1529-6, MIL-H-24135/5, 4179-6 and 21 more. Substitute compatibility should be verified for your specific system.
Is AE371-4 still available?
AE371-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026