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Technical Data Sheet
PartsTable / COMPONENT / ANSI/BHMA A156.9
ANSI/BHMA A156.9 ✓ 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/BHMA A156.9 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 5340-00-598-6371, 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/BHMA A156.9
NSN: 5340-00-598-6371
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberANSI/BHMA A156.9
NSN5340-00-598-6371
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ANSI/BHMA A156.9 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
•
PERFORMANCE TYPE: GRADE 3
•
REVERSIBLE FEATURE: NOT INCLUDED
•
BODY WIDTH: 1.500 INCHES NOMINAL IN
•
KNUCKLE TYPE: FRICTION
•
MOUNTING HOLE QUANTITY: 4
•
PIN CENTER TO BODY EDGE DISTANCE: 0.750 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.144 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.065 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PERFORMANCE TYPEGRADE 3
REVERSIBLE FEATURENOT INCLUDED
BODY WIDTH1.500 INCHES NOMINAL IN
KNUCKLE TYPEFRICTION
MOUNTING HOLE QUANTITY4
PIN CENTER TO BODY EDGE DISTANCE0.750 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.144 INCHES NOMINAL IN
MATERIAL THICKNESS0.065 INCHES NOMINAL IN
PIN REMOVABILITYNONREMOVABLE
STYLE DESIGNATORBUTT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
BHMA-A156.20Upgraded Successor
successor cross-reference
successor
MS27970-26Upgraded Successor
successor cross-reference
successor
FFH116Upgraded Successor
successor cross-reference
successor
BHMA-A156.1 A2133 3-1/2INUpgraded Successor
successor cross-reference
successor
ANSI A156.1 A2133Upgraded Successor
successor cross-reference
successor
01555Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANSI/BHMA A156.9?
ANSI/BHMA A156.9 is a ANSI/BHMA A156.9.
What parts can replace ANSI/BHMA A156.9?
There are 17 known substitutes for ANSI/BHMA A156.9: BHMA-A156.20, MS27970-26, FFH116 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ANSI/BHMA A156.9?
ANSI/BHMA A156.9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-598-6371. 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