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Technical Data Sheet
PartsTable / COMPONENT / BHMA A156.5
BHMA A156.5 ✓ 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 A156.5 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-664-7014, 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 A156.5
NSN: 5340-00-664-7014
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberBHMA A156.5
NSN5340-00-664-7014
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BHMA A156.5 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
•
BOLT TYPE: REGULAR BEVEL
•
OPERATION METHOD: OUTSIDE KEY AND KNOB ON INSIDE LATCH BOLT
•
THICKNESS: 1.375 INCHES MINIMUM AND 2.000 INCHES MAXIMUM DOOR IN
•
KNOB QUANTITY: 1
•
LOCKING MECHANISM TYPE: PIN TUMBLER
•
KNOB SHAPE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
BOLT TYPEREGULAR BEVEL
OPERATION METHODOUTSIDE KEY AND KNOB ON INSIDE LATCH BOLT
THICKNESS1.375 INCHES MINIMUM AND 2.000 INCHES MAXIMUM DOOR IN
SPECIAL FEATURESSURFACE MOUNTED DEADLOCKING LATCHBOLT LOCK, METAL ALLOY MATERIAL SURFACE TREATMENT IAW MFG'S STANDARD FINISH REQUIREMENTS, COMPONENT AND QTY: 1 CYLINDER, 2 KEYS, 1 STRIKE; KEYWAY INCLUDED, PLAIN KNOB DESIGN, BACKSET DEPTH IS 2.375IN. NOMINAL, UNLIMITED KEY CHANGE QUANTITY, MASTER KEY PROVISION IS NOT INCLUDED, FURNISHED MOUNTING HARDWARE IS SCREWS IN
KNOB QUANTITY1
LOCKING MECHANISM TYPEPIN TUMBLER
KNOB SHAPEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
6T6K X USAUpgraded Successor
successor cross-reference
successor
FF-H-1819Upgraded Successor
successor cross-reference
successor
940Upgraded Successor
successor cross-reference
successor
A-A-1932Interchangeable
interchangeable cross-reference
interchangeable
A156.5Interchangeable
interchangeable cross-reference
interchangeable
ANSI156.5 E06292Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BHMA A156.5?
BHMA A156.5 is a BHMA A156.5.
What parts can replace BHMA A156.5?
There are 8 known substitutes for BHMA A156.5: 6T6K X USA, FF-H-1819, 940 and 5 more. Substitute compatibility should be verified for your specific system.
Is BHMA A156.5 still available?
BHMA A156.5 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