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Technical Data Sheet
PartsTable / COMPONENT / ANSI/BHMA A156.1
ANSI/BHMA A156.1 ✓ 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 ANSI/BHMA A156.1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-050-3083, 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 A156.1
NSN: 5340-00-050-3083
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberANSI/BHMA A156.1
NSN5340-00-050-3083
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ANSI/BHMA A156.1 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
•
BODY WIDTH: 4.000 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.193 INCHES NOMINAL IN
•
SURFACE TREATMENT: UNABLE TO DECODE
•
KNUCKLE TYPE: BALL BEARING
•
HINGE MOUNTING TYPE: FULL SURFACE
•
REVERSIBLE FEATURE: NOT INCLUDED
•
MATERIAL: UNABLE TO DECODE
•
KNUCKLE QUANTITY: 5
TECHNICAL CHARACTERISTICS (FLIS)
BODY WIDTH4.000 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.193 INCHES NOMINAL IN
SURFACE TREATMENTUNABLE TO DECODE
KNUCKLE TYPEBALL BEARING
HINGE MOUNTING TYPEFULL SURFACE
REVERSIBLE FEATURENOT INCLUDED
MATERIALUNABLE TO DECODE
KNUCKLE QUANTITY5
PIN REMOVABILITYNONREMOVABLE
PIN CENTER TO BODY EDGE DISTANCE2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
SC902-6Interchangeable
interchangeable cross-reference
interchangeable
ANSI/BHMA A156.20Interchangeable
interchangeable cross-reference
interchangeable
FF-H-00116Interchangeable
interchangeable cross-reference
interchangeable
A-A-224Interchangeable
interchangeable cross-reference
interchangeable
AA226Interchangeable
interchangeable cross-reference
interchangeable
AA22L-C3GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANSI/BHMA A156.1?
ANSI/BHMA A156.1 is a ANSI/BHMA A156.1.
What parts can replace ANSI/BHMA A156.1?
There are 13 known substitutes for ANSI/BHMA A156.1: SC902-6, ANSI/BHMA A156.20, FF-H-00116 and 10 more. Substitute compatibility should be verified for your specific system.
Is ANSI/BHMA A156.1 still available?
ANSI/BHMA A156.1 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