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Technical Data Sheet
PartsTable / COMPONENT / 70400-25160-103
70400-25160-103 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The SUPPORT,SHOCK STRUT,HELICOPTER is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, corner_shape: SQUARE OUTSIDE LEFT CORNER, flange_width: 0.1250 INCHES NOMINAL IN, overall_length: 0.4200 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OVERALL, style_designator: SOLID, EXTERNAL FLANGE ONE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-163-8341, 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
70400-25160-103
NSN: 3120-01-163-8341
FSC: 3120
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
corner_shapeSQUARE OUTSIDE LEFT CORNER
flange_width0.1250 INCHES NOMINAL IN
overall_length0.4200 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentANODIZE OVERALL
test_data_document78286-SS8806 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
body_inside_diameter0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
body_outside_diameter0.5500 INCHES NOMINAL IN
flange_outside_diameter0.6900 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-163-8341
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 70400-25160-103 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE WIDTH: 0.1250 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.6900 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.5500 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
TEST DATA DOCUMENT: 78286-SS8806 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH0.1250 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.6900 INCHES NOMINAL IN
OVERALL LENGTH0.4200 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.5500 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TEST DATA DOCUMENT78286-SS8806 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
MATERIALALUMINUM ALLOY 2024 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
65391-11797-101Interchangeable
interchangeable cross-reference
interchangeable
SS8805Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-18729CInterchangeable
interchangeable cross-reference
interchangeable
MIL-STD-1949AInterchangeable
interchangeable cross-reference
interchangeable
SS8813Interchangeable
interchangeable cross-reference
interchangeable
SS9999Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70400-25160-103?
70400-25160-103 is a SUPPORT,SHOCK STRUT,HELICOPTER.
What parts can replace 70400-25160-103?
There are 9 known substitutes for 70400-25160-103: 65391-11797-101, SS8805, MIL-S-18729C and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70400-25160-103?
70400-25160-103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-163-8341. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026