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Technical Data Sheet
71881800 ✓ 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 CYLINDER,HYDRAULIC ACCUMULATOR is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 25.45 MILLIMETERS NOMINAL MM, cross-sectional_height: 73.4 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: O-RING POR 20X3. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-700-7083, 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
71881800
NSN: 5331-01-700-7083
FSC: 5331 — O-RING
CAGE: 1SV35 — HUNGER HYDRAULICS CC LTD (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter25.45 MILLIMETERS NOMINAL MM
cross-sectional_height73.4 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyO-RING POR 20X3
NSN5331-01-700-7083
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 71881800 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
CROSS-SECTIONAL HEIGHT: 73.4 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER: 25.45 MILLIMETERS NOMINAL MM
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT73.4 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER25.45 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING POR 20X3
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
25-0017Interchangeable
interchangeable cross-reference
interchangeable
03-0368Interchangeable
interchangeable cross-reference
interchangeable
6515NCM030318Interchangeable
interchangeable cross-reference
interchangeable
479.31SInterchangeable
interchangeable cross-reference
interchangeable
P010195Interchangeable
interchangeable cross-reference
interchangeable
P009852 ITEM NO 2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71881800?
71881800 is a CYLINDER,HYDRAULIC ACCUMULATOR.
What parts can replace 71881800?
There are 11 known substitutes for 71881800: 25-0017, 03-0368, 6515NCM030318 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71881800?
71881800 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-700-7083. This indicates validated use in U.S. government and defense supply chains.
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