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PartsTable / COMPONENT / R5257820-A106
R5257820-A106 ✓ 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

UNIVERSAL JOINT,GEARED,NONVEHICU. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-722-8531, 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
R5257820-A106
NSN: 4710-01-722-8531
FSC: 4710
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberR5257820-A106
NSN4710-01-722-8531
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: R5257820-A106 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
725-8839154-A6Interchangeable
interchangeable cross-reference
interchangeable
8839154Interchangeable
interchangeable cross-reference
interchangeable
R5257820-A6Interchangeable
interchangeable cross-reference
interchangeable
725-8839154-A7Interchangeable
interchangeable cross-reference
interchangeable
R5257820-A7Interchangeable
interchangeable cross-reference
interchangeable
R5257820-55Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R5257820-A106?
R5257820-A106 is a UNIVERSAL JOINT,GEARED,NONVEHICU.
What parts can replace R5257820-A106?
There are 17 known substitutes for R5257820-A106: 725-8839154-A6, 8839154, R5257820-A6 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R5257820-A106?
R5257820-A106 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-722-8531. 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