PartsTable
Technical Data Sheet
500203PC30 ✓ Verified by PartsTable
· 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

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: ROUND, nut_diameter: 1.630 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.500 INCHES NOMINAL IN, thread_series: UNS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-394-7967, 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
500203PC30
NSN: 5310-00-394-7967
FSC: 5310
CAGE: 71313 — VIKING TECHNOLOGIES, LTD. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleROUND
nut_diameter1.630 INCHES NOMINAL IN
thread_class3B
nut_thickness0.500 INCHES NOMINAL IN
thread_seriesUNS
thread_directionRIGHT-HAND
width_across_flats1.250 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
counterbore_diameter1.438 INCHES NOMINAL NUT IN
nut_counterbore_depth0.188 INCHES NOMINAL NUT IN
thread_quantity_per_inch14
NSN5310-00-394-7967
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 500203PC30 · 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
NUT COUNTERBORE DEPTH: 0.188 INCHES NOMINAL NUT IN
THREAD SERIES: UNS
THREAD CLASS: 3B
WIDTH ACROSS FLATS: 1.250 INCHES NOMINAL IN
COUNTERBORE DIAMETER: 1.438 INCHES NOMINAL NUT IN
THREAD QUANTITY PER INCH: 14
MATERIAL: COPPER ALLOY OVERALL
NUT STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
NUT COUNTERBORE DEPTH0.188 INCHES NOMINAL NUT IN
THREAD SERIESUNS
THREAD CLASS3B
WIDTH ACROSS FLATS1.250 INCHES NOMINAL IN
COUNTERBORE DIAMETER1.438 INCHES NOMINAL NUT IN
THREAD QUANTITY PER INCH14
MATERIALCOPPER ALLOY OVERALL
NUT STYLEROUND
NUT DIAMETER1.630 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
10-544-2Interchangeable
interchangeable cross-reference
interchangeable
1041-2Interchangeable
interchangeable cross-reference
interchangeable
160-1041-02-01-00Interchangeable
interchangeable cross-reference
interchangeable
105442-0180Interchangeable
interchangeable cross-reference
interchangeable
105442-0210Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500203PC30?
500203PC30 is a NUT,PLAIN,ROUND.
What parts can replace 500203PC30?
There are 5 known substitutes for 500203PC30: 10-544-2, 1041-2, 160-1041-02-01-00 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 500203PC30?
500203PC30 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-394-7967. This indicates validated use in U.S. government and defense supply chains.
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