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PartsTable / COMPONENT / ANSI A156.2 F81 GRADE 2
ANSI A156.2 F81 GRADE 2 ✓ 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 ANSI A156.2 F81 GRADE 2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-419-6568, 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
ANSI A156.2 F81 GRADE 2
NSN: 5340-00-419-6568
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberANSI A156.2 F81 GRADE 2
NSN5340-00-419-6568
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ANSI A156.2 F81 GRADE 2 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
•
WIDTH: 1.000 INCHES NOMINAL IN
•
BOLT TYPE: REGULAR BEVEL
•
THICKNESS: 1.375 INCHES NOMINAL OVERALL IN
•
FACE SHAPE: BEVELED
•
FEATURES PROVIDED: ROSE AND STRIKE AND SCREW
•
LOCKING MECHANISM TYPE: PIN TUMBLER
•
KNOB QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH1.000 INCHES NOMINAL IN
BOLT TYPEREGULAR BEVEL
THICKNESS1.375 INCHES NOMINAL OVERALL IN
FACE SHAPEBEVELED
FEATURES PROVIDEDROSE AND STRIKE AND SCREW
LOCKING MECHANISM TYPEPIN TUMBLER
KNOB QUANTITY2
THICKNESS2.375 INCHES NOMINAL BACKSET IN
LENGTH2.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA160A TYPE A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
ANSI A156.2 FUNCTION F88 GRADE 1Interchangeable
interchangeable cross-reference
interchangeable
BHMA-A156.2Interchangeable
interchangeable cross-reference
interchangeable
BHMA-A156.2 F88 GRADE 1Interchangeable
interchangeable cross-reference
interchangeable
BHMA-A156.2 F76A GRADE 2Interchangeable
interchangeable cross-reference
interchangeable
ANSI A156.2 FUNCTION F76 GRADE 2Interchangeable
interchangeable cross-reference
interchangeable
ANSI/BHMA A156.2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANSI A156.2 F81 GRADE 2?
ANSI A156.2 F81 GRADE 2 is a ANSI A156.2 F81 GRADE 2.
What parts can replace ANSI A156.2 F81 GRADE 2?
There are 26 known substitutes for ANSI A156.2 F81 GRADE 2: ANSI A156.2 FUNCTION F88 GRADE 1, BHMA-A156.2, BHMA-A156.2 F88 GRADE 1 and 23 more. Substitute compatibility should be verified for your specific system.
Is ANSI A156.2 F81 GRADE 2 still available?
ANSI A156.2 F81 GRADE 2 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