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Technical Data Sheet
PartsTable / COMPONENT / A156.2 F12 GRADE 2
A156.2 F12 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 A156.2 F12 GRADE 2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-011-7299, 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
A156.2 F12 GRADE 2
NSN: 5340-01-011-7299
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberA156.2 F12 GRADE 2
NSN5340-01-011-7299
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A156.2 F12 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
•
OPERATION METHOD: KNOB ON INSIDE AND KNOB ON OUTSIDE LATCH BOLT
•
FACE SHAPE: BEVELED
•
LOCKING MECHANISM TYPE: PIN TUMBLER
•
DESIGN TYPE: LATCH BOLT
•
MATERIAL: STEEL CASE
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THICKNESS: 2.750 INCHES NOMINAL BACKSET IN
•
NONDEFINITIVE SPEC/STD DATA: 86F TYPE
•
SPECIFICATION/STANDARD DATA: 80205-80204-A156.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
OPERATION METHODKNOB ON INSIDE AND KNOB ON OUTSIDE LATCH BOLT
FACE SHAPEBEVELED
LOCKING MECHANISM TYPEPIN TUMBLER
DESIGN TYPELATCH BOLT
MATERIALSTEEL CASE
THICKNESS2.750 INCHES NOMINAL BACKSET IN
NONDEFINITIVE SPEC/STD DATA86F TYPE
SPECIFICATION/STANDARD DATA80205-80204-A156.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
OPERATION METHODOUTSIDE KEY AND INSIDE TURN KNOB DOOR PULL
HEIGHT8.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
F51 ELA 505Upgraded Successor
successor cross-reference
successor
A156.2Upgraded Successor
successor cross-reference
successor
FF-H-106Upgraded Successor
successor cross-reference
successor
ANSI/BHMA A156.2Upgraded Successor
successor cross-reference
successor
BHMA-A156.2Upgraded Successor
successor cross-reference
successor
D51PD26DUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A156.2 F12 GRADE 2?
A156.2 F12 GRADE 2 is a A156.2 F12 GRADE 2.
What parts can replace A156.2 F12 GRADE 2?
There are 22 known substitutes for A156.2 F12 GRADE 2: F51 ELA 505, A156.2, FF-H-106 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A156.2 F12 GRADE 2?
A156.2 F12 GRADE 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-011-7299. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026