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Technical Data Sheet
PartsTable / COMPONENT / A156.2
A156.2 ✓ 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 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-281-2194, 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
NSN: 5340-00-281-2194
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberA156.2
NSN5340-00-281-2194
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A156.2 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
•
FEATURES PROVIDED: ROSE AND STRIKE AND SPINDLE AND SCREW AND THUMB PIECE
•
DESIGN TYPE: LATCH BOLT
•
SURFACE TREATMENT: COPPER CASE
•
KNOB SHAPE: ROUND
•
MATERIAL: STEEL CASE
•
OPERATION METHOD: OUTSIDE KEY AND INSIDE TURN KNOB LATCH BOLT
•
KEY CHANGE QUANTITY: 560
•
KNOB QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDROSE AND STRIKE AND SPINDLE AND SCREW AND THUMB PIECE
DESIGN TYPELATCH BOLT
SURFACE TREATMENTCOPPER CASE
KNOB SHAPEROUND
MATERIALSTEEL CASE
OPERATION METHODOUTSIDE KEY AND INSIDE TURN KNOB LATCH BOLT
KEY CHANGE QUANTITY560
KNOB QUANTITY2
BOLT TYPEREGULAR BEVEL OR UNIVERSAL
SURFACE TREATMENTCOPPER KNOB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
FFH106-160E-4Upgraded Successor
successor cross-reference
successor
FF-H-106Upgraded Successor
successor cross-reference
successor
A55PDPLY28Upgraded Successor
successor cross-reference
successor
B260PUpgraded Successor
successor cross-reference
successor
BR260Upgraded Successor
successor cross-reference
successor
FFH106-161PUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A156.2?
A156.2 is a A156.2.
What parts can replace A156.2?
There are 18 known substitutes for A156.2: FFH106-160E-4, FF-H-106, A55PDPLY28 and 15 more. Substitute compatibility should be verified for your specific system.
Is A156.2 still available?
A156.2 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