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Technical Data Sheet
PartsTable / MRO / 552A
552A ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

SEAL,METALLIC,AIRCRAFT GAS TURBI. Key specifications include hoist: 2.750 INCHES IN, terminal_type: TAB, SOLDER LUG, fiber_material: RAYON, special_features: 2 3/4 INCHES BY 3 FT IN, style_designator: SWALLOW TAILED, features_provided: ACTUATOR KNOB. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0327, 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
MRO→ MRO_GENERAL→ 552A
NSN: 3110-00-100-0327
FSC: 3110
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
hoist2.750 INCHES IN
terminal_typeTAB, SOLDER LUG
fiber_materialRAYON
special_features2 3/4 INCHES BY 3 FT IN
style_designatorSWALLOW TAILED
features_providedACTUATOR KNOB
design_designationDOMINICAN CAMPAIGN
procurement_group_code34446
end_item_identificationPUMP,CENTRIFUGAL
contact_switching_actionBREAKS BEFORE MAKES SINGLE SECTION IN-LINE
individual_section_quantity1
nondefinitive_spec/std_dataII TYPE AND 2 CLASS AND 2 SIZE
NSN3110-00-100-0327
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 552A · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
3271-4391Interchangeable
interchangeable cross-reference
interchangeable
4391Interchangeable
interchangeable cross-reference
interchangeable
80263Interchangeable
interchangeable cross-reference
interchangeable
30059Interchangeable
interchangeable cross-reference
interchangeable
H-925Interchangeable
interchangeable cross-reference
interchangeable
SC5950-0008-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 552A?
552A is a SEAL,METALLIC,AIRCRAFT GAS TURBI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 552A?
There are 35 known substitutes for 552A: 3271-4391, 4391, 80263 and 32 more. Substitute compatibility should be verified for your specific system.
Is 552A still available?
552A 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