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Technical Data Sheet
PartsTable / O-RING / 178 1301-806 ITEM 3
178 1301-806 ITEM 3 ✓ 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 material: RUBBER, hardness_rating: 70.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE NOMINAL, end_item_identification: WINCH BRAKE CYLINDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-422-0450, 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
178 1301-806 ITEM 3
NSN: 5331-01-422-0450
FSC: 5331 — O-RING
CAGE: A094N — BOSCH REXROTH AB (SWE)
SPECIFICATIONS
materialRUBBER
hardness_rating70.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE NOMINAL
end_item_identificationWINCH BRAKE CYLINDER
NSN5331-01-422-0450
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 178 1301-806 ITEM 3 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
KEY FEATURES
•
MATERIAL: RUBBER
•
HARDNESS RATING: 70.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER
HARDNESS RATING70.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE NOMINAL
END ITEM IDENTIFICATIONWINCH BRAKE CYLINDER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2-118 N304-75Interchangeable
interchangeable cross-reference
interchangeable
11-106118Interchangeable
interchangeable cross-reference
interchangeable
102602310Interchangeable
interchangeable cross-reference
interchangeable
2152 2115-822Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 178 1301-806 ITEM 3?
178 1301-806 ITEM 3 is a O-RING.
What parts can replace 178 1301-806 ITEM 3?
There are 4 known substitutes for 178 1301-806 ITEM 3: 2-118 N304-75, 11-106118, 102602310 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 178 1301-806 ITEM 3?
178 1301-806 ITEM 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-422-0450. 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