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AS568-247MIL-R-8791 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS568-247MIL-R-8791: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, outside_diameter: 4.887 INCHES NOMINAL IN, center_hole_diameter: 4.579 INCHES MINIMUM AND 4.639 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, reference_number_differentiating_characteristics: ASDIFFERENTIATED BY LIQUID OXYGEN /LOX/ CLEANING MIL-C-52211. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-040-4778, 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
AS568-247MIL-R-8791
NSN: 5331-01-040-4778
FSC: 5331 — O-ring
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
outside_diameter4.887 INCHES NOMINAL IN
center_hole_diameter4.579 INCHES MINIMUM AND 4.639 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
reference_number_differentiating_characteristicsASDIFFERENTIATED BY LIQUID OXYGEN /LOX/ CLEANING MIL-C-52211
NSN5331-01-040-4778
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-247MIL-R-8791 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.887 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 4.579 INCHES MINIMUM AND 4.639 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: ASDIFFERENTIATED BY LIQUID OXYGEN /LOX/ CLEANING MIL-C-52211
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.887 INCHES NOMINAL IN
CENTER HOLE DIAMETER4.579 INCHES MINIMUM AND 4.639 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSASDIFFERENTIATED BY LIQUID OXYGEN /LOX/ CLEANING MIL-C-52211
SUBSTITUTES & CROSS-REFERENCES 1
2601425-247Reference document
Same NSN cross-reference
Reference document — Secondary 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 AS568-247MIL-R-8791?
AS568-247MIL-R-8791 is a O-RING.
What parts can replace AS568-247MIL-R-8791?
There is 1 known substitute for AS568-247MIL-R-8791: 2601425-247. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-247MIL-R-8791?
AS568-247MIL-R-8791 is cataloged in the U.S. Government catalog under NSN 5331-01-040-4778. This indicates validated use in U.S. government and defense supply chains.
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