PartsTable
Technical Data Sheet
C501 ✓ Verified by PartsTable
NEC · NUT WASHER
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

Create beautiful imagery at a cost-conscious price point with the new fully commercial NEC C Series displays. A modern and contemporary design with a mere 45mm depth and improved visual aesthetics allow for the smooth and stylish integration of these displays into any environment. These products contain full metal mechanical structures enabling them to be utilized in situations where robustness is a key factor.

They also have a wide range of the latest connectivity interfaces including multiple HDMI connections and a built-in media player to allow for many avenues of displaying content. The NEC C series boasts 400 cd/m2 along with an anti glare screen that allows for efficient readability and less reflectivity of ambient light that would normally take away from the imagery on the display. These products are ideal for 24/7 digital signage in retail, education, restaurant and corporate environments.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-199-5296, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
C501
NSN: 5310-00-199-5296
FSC: 5310
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialNICKEL ALLOY
nut_styleSLOTTED, HEXAGON
nut_height1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
thread_class2B
document_typeSUPPLY MANUAL
end_item_nameTRUCK
thread_seriesUN
document_source63477
end_item_source86403
outside_diameter0.625 INCHES NOMINAL IN
style_designatorCIRCULAR
thread_directionRIGHT-HAND
NSN5310-00-199-5296
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C501 · NEC ⚠ 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
THREAD CLASS: 2B
NUT HEIGHT: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH: 8
BEARING SURFACE TYPE: WASHER FACED
NOMINAL THREAD SIZE: 2.000 INCHES IN
THREAD SERIES: UN
MATERIAL: STEEL COMP 1120 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
NUT HEIGHT1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH8
BEARING SURFACE TYPEWASHER FACED
NOMINAL THREAD SIZE2.000 INCHES IN
THREAD SERIESUN
MATERIALSTEEL COMP 1120 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT STYLESLOTTED, HEXAGON
WIDTH ACROSS FLATS2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A950Interchangeable
interchangeable cross-reference
interchangeable
5310PL0951123Interchangeable
interchangeable cross-reference
interchangeable
805057Interchangeable
interchangeable cross-reference
interchangeable
5456081Interchangeable
interchangeable cross-reference
interchangeable
173-119Interchangeable
interchangeable cross-reference
interchangeable
B548XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C501?
C501 is a RELAY,ELECTROMAGNETIC manufactured by NEC.
What parts can replace C501?
There are 13 known substitutes for C501: A950, 5310PL0951123, 805057 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C501?
C501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-199-5296. This indicates validated use in U.S. government and defense supply chains.
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