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3771537 ✓ 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,NONMETALLIC is a the manufacturer industrial component. Key specifications include cross-sectional_shape_style: ROUND, outer_covering_environmental_protection: WATER RESISTANT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-860-9838, 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
3771537
NSN: 4720-00-860-9838
FSC: 4720
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
cross-sectional_shape_styleROUND
outer_covering_environmental_protectionWATER RESISTANT
NSN4720-00-860-9838
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3771537 · 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
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTER COVERING ENVIRONMENTAL PROTECTION: WATER RESISTANT
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
OUTER COVERING ENVIRONMENTAL PROTECTIONWATER RESISTANT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
8174-SS0632Interchangeable
interchangeable cross-reference
interchangeable
HW-T0024-004Interchangeable
interchangeable cross-reference
interchangeable
8351Interchangeable
interchangeable cross-reference
interchangeable
82041 ITEM 33Interchangeable
interchangeable cross-reference
interchangeable
539547Interchangeable
interchangeable cross-reference
interchangeable
539647-31.19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3771537?
3771537 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 3771537?
There are 12 known substitutes for 3771537: 8174-SS0632, HW-T0024-004, 8351 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3771537?
3771537 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-860-9838. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026