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Technical Data Sheet
PartsTable / O-RING / 61056W
61056W ✓ Verified by PartsTable
— · 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 O-RING is a the manufacturer industrial component. Key specifications include special_features: U/O SHAFT-INTERMEDIATE GEAR, W/FREESPOOL, end_item_identification: NSN 3830-01-562-6695 WINCH ATTACHMENT, part_name_assigned_by_controlling_agency: O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-585-0150, 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
61056W
NSN: 5331-01-585-0150
FSC: 5331 — O-RING
CAGE: 60848 — ALLIED SYSTEMS COMPANY DBA ALLIED SYSTEMS CO (USA)
SPECIFICATIONS
special_featuresU/O SHAFT-INTERMEDIATE GEAR, W/FREESPOOL
end_item_identificationNSN 3830-01-562-6695 WINCH ATTACHMENT
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-585-0150
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 61056W MFR: OEM ⚠ 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESU/O SHAFT-INTERMEDIATE GEAR, W/FREESPOOL
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONNSN 3830-01-562-6695 WINCH ATTACHMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
VK152Interchangeable
interchangeable cross-reference
interchangeable
760039M1Interchangeable
interchangeable cross-reference
interchangeable
VR78Interchangeable
interchangeable cross-reference
interchangeable
128SEAV14700-131Interchangeable
interchangeable cross-reference
interchangeable
212380Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 61056W?
61056W is a O-RING.
What parts can replace 61056W?
There are 5 known substitutes for 61056W: VK152, 760039M1, VR78 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 61056W?
61056W is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-585-0150. 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