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Technical Data Sheet
PartsTable / MRO / A656
A656 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.625 INCHES NOMINAL IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.515 INCHES MAXIMUM IN, actuator_type: SINGLE SHAFT, body_diameter: 1.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-516-2033, 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
MRO→ MRO_GENERAL→ A656
NSN: 3120-00-516-2033
FSC: 3120
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.625 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
shaft_length0.515 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
body_diameter1.312 INCHES NOMINAL IN
overall_length0.625 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
overall_diameter1.312 INCHES NOMINAL IN
section_quantity1
features_providedNONMETALLIC SHAFT
NSN3120-00-516-2033
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A656 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A656Interchangeable
interchangeable cross-reference
interchangeable
5055Interchangeable
interchangeable cross-reference
interchangeable
CP14C135Interchangeable
interchangeable cross-reference
interchangeable
MILB5687TYPE1C0MP0SITI0NAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A656?
A656 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A656?
There are 4 known substitutes for A656: A656, 5055, CP14C135 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A656?
A656 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-516-2033. 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