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AS568-163 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS568-163: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYPROPYLENE, temp_rating: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, outside_diameter: 6.152 INCHES MINIMUM AND 6.234 INCHES MAXIMUM IN, center_hole_diameter: 6.000 INCHES NOMINAL IN, cross-sectional_height: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-878-0520, 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
AS568-163
NSN: 5331-00-878-0520
NIINs: 008780520, 010383986
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialPLASTIC POLYPROPYLENE
temp_rating-65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL
outside_diameter6.152 INCHES MINIMUM AND 6.234 INCHES MAXIMUM IN
center_hole_diameter6.000 INCHES NOMINAL IN
cross-sectional_height0.094 INCHES NOMINAL IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5331-00-878-0520
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-163 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 6.193 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 5.964 INCHES MINIMUM AND 6.010 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER6.193 INCHES NOMINAL IN
CENTER HOLE DIAMETER5.964 INCHES MINIMUM AND 6.010 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
SUBSTITUTES & CROSS-REFERENCES 3
A63097Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ASTM D2000Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
D1105-186Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 AS568-163?
AS568-163 is a O-RING.
What parts can replace AS568-163?
There are 3 known substitutes for AS568-163: A63097, ASTM D2000, D1105-186. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-163?
AS568-163 is cataloged in the U.S. Government catalog under NSN 5331-00-878-0520. This indicates validated use in U.S. government and defense supply chains.
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