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Technical Data Sheet
PartsTable / O-RING / 56552
56552 ✓ Verified by PartsTable
Hama · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BUSHING,SLEEVE is a Hama industrial component. Key specifications include material: COPPER ALLOY OVERALL, overall_length: 0.3750 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.1250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-073-8165, 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
56552
NSN: 5331-00-073-8165
FSC: 5331 — O-RING
CAGE: 93835 — PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_length0.3750 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.1250 INCHES NOMINAL IN
NSN5331-00-073-8165
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 56552 MFR: Hama ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CROSS-SECTIONAL HEIGHT: 0.099 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.967 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT0.099 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.967 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
SM-B-187130Interchangeable
interchangeable cross-reference
interchangeable
BP17724Interchangeable
interchangeable cross-reference
interchangeable
56552Interchangeable
interchangeable cross-reference
interchangeable
MS17413-136Interchangeable
Same NIIN cross-reference
interchangeable
8013603Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56552?
56552 is a BUSHING,SLEEVE manufactured by Hama.
What parts can replace 56552?
There are 5 known substitutes for 56552: SM-B-187130, BP17724, 56552 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 56552?
56552 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-073-8165. 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