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PartsTable / COMPONENT / AS8791/1-218
AS8791/1-218 ✓ 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 AS8791/1-218 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-2142, 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
AS8791/1-218
NSN: 5330-00-582-2142
FSC: 5330
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberAS8791/1-218
NSN5330-00-582-2142
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS8791/1-218 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CENTER HOLE DIAMETER: 1.140 INCHES MINIMUM AND 1.142 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 1.377 INCHES MINIMUM AND 1.381 INCHES MAXIMUM IN
•
JOINT TYPE: SCARF-PERIPHERAL RETAINER
•
MATERIAL: PLASTIC EPOXY AND PAPER OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE DIAMETER1.140 INCHES MINIMUM AND 1.142 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER1.377 INCHES MINIMUM AND 1.381 INCHES MAXIMUM IN
JOINT TYPESCARF-PERIPHERAL RETAINER
MATERIALPLASTIC EPOXY AND PAPER OVERALL
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
G1002Interchangeable
interchangeable cross-reference
interchangeable
M216Interchangeable
interchangeable cross-reference
interchangeable
2694Interchangeable
interchangeable cross-reference
interchangeable
6246Interchangeable
interchangeable cross-reference
interchangeable
M216-25Interchangeable
interchangeable cross-reference
interchangeable
O-C-265Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS8791/1-218?
AS8791/1-218 is a AS8791/1-218.
What parts can replace AS8791/1-218?
There are 26 known substitutes for AS8791/1-218: G1002, M216, 2694 and 23 more. Substitute compatibility should be verified for your specific system.
Is AS8791/1-218 still available?
AS8791/1-218 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026