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PartsTable / COMPONENT / BHMA-A156.2 F80 GRADE 1
BHMA-A156.2 F80 GRADE 1 ✓ 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 BHMA-A156.2 F80 GRADE 1 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 5340-01-019-2978, 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
BHMA-A156.2 F80 GRADE 1
NSN: 5340-01-019-2978
FSC: 5340
CAGE: 41280 — BUILDERS HARDWARE MFRS ASSN INC (USA)
SPECIFICATIONS
Part NumberBHMA-A156.2 F80 GRADE 1
NSN5340-01-019-2978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BHMA-A156.2 F80 GRADE 1 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: 1.125 INCHES NOMINAL IN
•
LOCKING MECHANISM TYPE: PIN TUMBLER
•
DESIGN TYPE: DEAD BOLT AND LATCH BOLT
•
SHAPE: ROUND CASE
•
THICKNESS: 2.750 INCHES NOMINAL BACKSET IN
•
KNOB SHAPE: ROUND
•
SPECIFICATION/STANDARD DATA: 80205-80204-ANSI A156.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH1.125 INCHES NOMINAL IN
LOCKING MECHANISM TYPEPIN TUMBLER
DESIGN TYPEDEAD BOLT AND LATCH BOLT
SHAPEROUND CASE
THICKNESS2.750 INCHES NOMINAL BACKSET IN
KNOB SHAPEROUND
THICKNESS1.375 INCHES NOMINAL OVERALL IN
SPECIFICATION/STANDARD DATA80205-80204-ANSI A156.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FEATURES PROVIDEDROSE
OPERATION METHODKNOB ON INSIDE AND KNOB ON OUTSIDE LATCH BOLT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
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
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BHMA-A156.2 F80 GRADE 1?
BHMA-A156.2 F80 GRADE 1 is a BHMA-A156.2 F80 GRADE 1.
What parts can replace BHMA-A156.2 F80 GRADE 1?
There are 23 known substitutes for BHMA-A156.2 F80 GRADE 1: ANSI A156.2 FUNCTION F88 GRADE 1, BHMA-A156.2, BHMA-A156.2 F88 GRADE 1 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BHMA-A156.2 F80 GRADE 1?
BHMA-A156.2 F80 GRADE 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-019-2978. 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