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Technical Data Sheet
PartsTable / MRO / 50156-1
50156-1 ✓ 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,NONWIRE WOUND,. Key specifications include material: SILVER CONTACT, duty_type: CONTINUOUS, body_style: RECTANGULAR, body_width: 0.375 INCHES NOMINAL IN, time_delay: 0.015 SECONDS MAXIMUM FIXED OPERATE TIME, body_height: 0.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-5547, 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→ 50156-1
NSN: 5310-00-011-5547
FSC: 5310
CAGE: 23705 — FRUEHAUF CORP (USA)
SPECIFICATIONS
materialSILVER CONTACT
duty_typeCONTINUOUS
body_styleRECTANGULAR
body_width0.375 INCHES NOMINAL IN
time_delay0.015 SECONDS MAXIMUM FIXED OPERATE TIME
body_height0.375 INCHES NOMINAL IN
body_length0.187 INCHES NOMINAL IN
thread_class2A SINGLE MOUNTING FACILITY A
actuator_typeFLUSH DRIVE WITH SLOT-HOLE
coil_quantity1
cubic_measure0.026 CUBIC INCHES
hole_diameter0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
NSN5310-00-011-5547
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 50156-1 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
HOLE DIAMETER: 0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1060 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORFLAT INTERNAL TEETH
HOLE DIAMETER0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
MATERIAL THICKNESS0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.460 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1060 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
TT024Interchangeable
interchangeable cross-reference
interchangeable
P-24Interchangeable
interchangeable cross-reference
interchangeable
CA310Interchangeable
interchangeable cross-reference
interchangeable
F-24Interchangeable
interchangeable cross-reference
interchangeable
C12233-7Interchangeable
interchangeable cross-reference
interchangeable
70R4S2500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50156-1?
50156-1 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 50156-1?
There are 31 known substitutes for 50156-1: TT024, P-24, CA310 and 28 more. Substitute compatibility should be verified for your specific system.
Is 50156-1 still available?
50156-1 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