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Technical Data Sheet
PartsTable / O-RING / 568-906-1235-70
568-906-1235-70 ✓ 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 SILICONE CLASS Q, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, special_features: OXY-CLEAN MATERIAL, center_hole_diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN, cross-sectional_height: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN, end_item_identification: PACER SPECIAL OXYGEN BREATHING APPARATUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-441-5294, 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
568-906-1235-70
NSN: 5331-01-441-5294
FSC: 5331 — O-RING
CAGE: 77308 — PARCO, LLC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
hardness_rating70.0 SHORE DUROMETER A NOMINAL
special_featuresOXY-CLEAN MATERIAL
center_hole_diameter0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
cross-sectional_height0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
end_item_identificationPACER SPECIAL OXYGEN BREATHING APPARATUS
criticality_code_justificationFEAT
material_document_and_classificationAMS3304 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-01-441-5294
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 568-906-1235-70 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: 0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS3304 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER SILICONE CLASS Q
•
CENTER HOLE DIAMETER: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS3304 ASSN STD SINGLE MATERIAL RESPONSE
END ITEM IDENTIFICATIONPACER SPECIAL OXYGEN BREATHING APPARATUS
MATERIALRUBBER SILICONE CLASS Q
SPECIAL FEATURESOXY-CLEAN MATERIAL
CENTER HOLE DIAMETER0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
3-906 S604-70Interchangeable
interchangeable cross-reference
interchangeable
3-6S604-7Interchangeable
interchangeable cross-reference
interchangeable
AS568-906 MIL-P-83461Interchangeable
interchangeable cross-reference
interchangeable
3-906N168-80Interchangeable
interchangeable cross-reference
interchangeable
PL-999D0838 PC NO 19Interchangeable
interchangeable cross-reference
interchangeable
99136-55-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 568-906-1235-70?
568-906-1235-70 is a O-RING.
What parts can replace 568-906-1235-70?
There are 6 known substitutes for 568-906-1235-70: 3-906 S604-70, 3-6S604-7, AS568-906 MIL-P-83461 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 568-906-1235-70?
568-906-1235-70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-441-5294. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026