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Technical Data Sheet
KA158-70 2-008 ✓ 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 SYNTHETIC, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, specification/standard_data: 0U583-AS568 INTERNATIONAL STD/SPEC, material_document_and_classification: HNBR (HYDROGENATED NITRILE) GENERAL PURPOSE MFR REF SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-731-7292, 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
KA158-70 2-008
NSN: 5331-01-731-7292
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
specification/standard_data0U583-AS568 INTERNATIONAL STD/SPEC
material_document_and_classificationHNBR (HYDROGENATED NITRILE) GENERAL PURPOSE MFR REF SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-731-7292
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KA158-70 2-008 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
CENTER HOLE DIAMETER: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
MATERIAL: RUBBER SYNTHETIC
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: HNBR (HYDROGENATED NITRILE) GENERAL PURPOSE MFR REF SINGLE MATERIAL RESPONSE
SPECIFICATION/STANDARD DATA: 0U583-AS568 INTERNATIONAL STD/SPEC
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONHNBR (HYDROGENATED NITRILE) GENERAL PURPOSE MFR REF SINGLE MATERIAL RESPONSE
SPECIFICATION/STANDARD DATA0U583-AS568 INTERNATIONAL STD/SPEC
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5253-635Interchangeable
interchangeable cross-reference
interchangeable
276Interchangeable
interchangeable cross-reference
interchangeable
AS568B-008Interchangeable
interchangeable cross-reference
interchangeable
J200AC8Interchangeable
interchangeable cross-reference
interchangeable
2-008C147-7Interchangeable
interchangeable cross-reference
interchangeable
AS568-008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KA158-70 2-008?
KA158-70 2-008 is a O-RING.
What parts can replace KA158-70 2-008?
There are 10 known substitutes for KA158-70 2-008: 5253-635, 276, AS568B-008 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KA158-70 2-008?
KA158-70 2-008 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-731-7292. This indicates validated use in U.S. government and defense supply chains.
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