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Technical Data Sheet
PartsTable / MRO / 120-127
120-127 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: RUBBER SYNTHETIC OVERALL, thickness: 0.219 INCHES NOMINAL IN, body_style: CYLINDRICAL SERVO MOUNTED, body_length: 0.687 INCHES NOMINAL IN, shaft_style: ROUND, bearing_type: BALL SHAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-318-4336, 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→ 120-127
NSN: 5310-00-318-4336
FSC: 5310
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
thickness0.219 INCHES NOMINAL IN
body_styleCYLINDRICAL SERVO MOUNTED
body_length0.687 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.875 INCHES NOMINAL IN
shaft_runout0.002 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter1.062 INCHES NOMINAL IN
hole_diameter0.963 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN
NSN5310-00-318-4336
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 120-127 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HARDNESS RATING: 65.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM
•
THICKNESS: 0.219 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-3065,TY S,CL SB,GR 715CEFJ MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.963 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING65.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM
THICKNESS0.219 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065,TY S,CL SB,GR 715CEFJ MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.963 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
SPECIAL FEATURESID GROOVED AND BEARING SURFACE GROOVED
OVERALL DIAMETER1.562 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
47436Interchangeable
interchangeable cross-reference
interchangeable
21693Interchangeable
interchangeable cross-reference
interchangeable
14128Interchangeable
interchangeable cross-reference
interchangeable
C105-257Interchangeable
interchangeable cross-reference
interchangeable
C105-60Interchangeable
interchangeable cross-reference
interchangeable
120-127Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120-127?
120-127 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 120-127?
There are 7 known substitutes for 120-127: 47436, 21693, 14128 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120-127?
120-127 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-318-4336. 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