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Technical Data Sheet

MIL-R-83285GR80/AS568-021 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MIL-R-83285GR80/AS568-021: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, peripheral_diameter: 1.066 INCHES NOMINAL IN, center_hole_diameter: 0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, criticality_code_justification: ZZZW. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-355-3157, 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
MIL-R-83285GR80/AS568-021
NSN: 5331-01-355-3157
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
peripheral_diameter1.066 INCHES NOMINAL IN
center_hole_diameter0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN5331-01-355-3157
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-R-83285GR80/AS568-021 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
PERIPHERAL DIAMETER: 1.066 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
PERIPHERAL DIAMETER1.066 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
SUBSTITUTES & CROSS-REFERENCES 3
20368PC6Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AMS-R-83285Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
20368PC25Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-83285GR80/AS568-021?
MIL-R-83285GR80/AS568-021 is a O-RING.
What parts can replace MIL-R-83285GR80/AS568-021?
There are 3 known substitutes for MIL-R-83285GR80/AS568-021: 20368PC6, SAE-AMS-R-83285, 20368PC25. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-83285GR80/AS568-021?
MIL-R-83285GR80/AS568-021 is cataloged in the U.S. Government catalog under NSN 5331-01-355-3157. This indicates validated use in U.S. government and defense supply chains.
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