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568-903-1235-70 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

568-903-1235-70: O-RING.

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: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, cross-sectional_height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, end_item_identification: PACER SPECIAL OXYGEN BREATHING APPARATUS. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-441-4143, 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
568-903-1235-70
NSN: 5331-01-441-4143
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_diameter0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
cross-sectional_height0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
end_item_identificationPACER SPECIAL OXYGEN BREATHING APPARATUS
criticality_code_justificationFEAT
material_document_and_classificationAMS3304 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-01-441-4143
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 568-903-1235-70 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: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS3304 ASSN STD SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS3304 ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURESOXY-CLEAN MATERIAL
CENTER HOLE DIAMETER0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONPACER SPECIAL OXYGEN BREATHING APPARATUS
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 1
99136-52-6Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 568-903-1235-70?
568-903-1235-70 is a O-RING.
What parts can replace 568-903-1235-70?
There is 1 known substitute for 568-903-1235-70: 99136-52-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 568-903-1235-70?
568-903-1235-70 is cataloged in the U.S. Government catalog under NSN 5331-01-441-4143. This indicates validated use in U.S. government and defense supply chains.
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