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Technical Data Sheet
70X85X8 HMS5 RG ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: SQUARE, seal_width: 8.000 MILLIMETERS NOMINAL MM, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL SEALING ELEMENT, housing_bore_diameter: 85.000 MILLIMETERS NOMINAL MM, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-510-2984, 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
70X85X8 HMS5 RG
NSN: 5330-01-510-2984
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleSQUARE
seal_width8.000 MILLIMETERS NOMINAL MM
hardness_rating75.0 SHORE DUROMETER A NOMINAL SEALING ELEMENT
housing_bore_diameter85.000 MILLIMETERS NOMINAL MM
sealing_element_styleANGULAR
end_item_identificationGEARBOX ASSY
accommodated_shaft_diameter70.000 MILLIMETERS NOMINAL MM
material_document_and_classificationSAE 302 ASSN STD SINGLE MATERIAL RESPONSE SPRING
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
part_name_assigned_by_controlling_agencyRADIAL SEAL
NSN5330-01-510-2984
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 70X85X8 HMS5 RG 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
ACCOMMODATED SHAFT DIAMETER: 70.000 MILLIMETERS NOMINAL MM
CASE STYLE: SQUARE
MATERIAL: STEEL COMP 302 SPRING
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
HOUSING BORE DIAMETER: 85.000 MILLIMETERS NOMINAL MM
SEAL WIDTH: 8.000 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 302 ASSN STD SINGLE MATERIAL RESPONSE SPRING
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONGEARBOX ASSY
ACCOMMODATED SHAFT DIAMETER70.000 MILLIMETERS NOMINAL MM
CASE STYLESQUARE
MATERIALSTEEL COMP 302 SPRING
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
HOUSING BORE DIAMETER85.000 MILLIMETERS NOMINAL MM
SEAL WIDTH8.000 MILLIMETERS NOMINAL MM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 302 ASSN STD SINGLE MATERIAL RESPONSE SPRING
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
PART NAME ASSIGNED BY CONTROLLING AGENCYRADIAL SEAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A5374Interchangeable
interchangeable cross-reference
interchangeable
E2980PC62Interchangeable
interchangeable cross-reference
interchangeable
D2991PC62Interchangeable
interchangeable cross-reference
interchangeable
82561Interchangeable
interchangeable cross-reference
interchangeable
27714Interchangeable
interchangeable cross-reference
interchangeable
73937Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70X85X8 HMS5 RG?
70X85X8 HMS5 RG is a SEAL,PLAIN ENCASED.
What parts can replace 70X85X8 HMS5 RG?
There are 14 known substitutes for 70X85X8 HMS5 RG: A5374, E2980PC62, D2991PC62 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70X85X8 HMS5 RG?
70X85X8 HMS5 RG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-510-2984. This indicates validated use in U.S. government and defense supply chains.
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