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Technical Data Sheet
PartsTable / COMPONENT / P-0603
P-0603 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: SLEEVE, nut_length: 0.190 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), boss_thickness: 0.108 INCHES MINIMUM AND 0.138 INCHES MAXIMUM OVERALL 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 5310-01-066-4059, 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
P-0603
NSN: 5310-01-066-4059
FSC: 5310
CAGE: 82457 — GLEASON REEL CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleSLEEVE
nut_length0.190 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
boss_thickness0.108 INCHES MINIMUM AND 0.138 INCHES MAXIMUM OVERALL IN
special_featuresSLEEVE CONTAINS A NYLON INSERT FOR LOCKING PURPOSES
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL EXCEPT INSERT
nominal_thread_size0.500 INCHES IN
cross-sectional_shapeHEXAGONAL NUT
nut_width_across_flats0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
NSN5310-01-066-4059
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: P-0603 · 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 LENGTH: 0.190 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
•
THREAD QUANTITY PER INCH: 13
•
SURFACE TREATMENT: ZINC OVERALL EXCEPT INSERT
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
CROSS-SECTIONAL SHAPE: ROUND BOSS
•
NUT WIDTH ACROSS FLATS: 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
NUT LENGTH0.190 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
THREAD QUANTITY PER INCH13
SURFACE TREATMENTZINC OVERALL EXCEPT INSERT
NOMINAL THREAD SIZE0.500 INCHES IN
CROSS-SECTIONAL SHAPEROUND BOSS
NUT WIDTH ACROSS FLATS0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
SPECIAL FEATURESSLEEVE CONTAINS A NYLON INSERT FOR LOCKING PURPOSES
CROSS-SECTIONAL SHAPEHEXAGONAL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
P-0603Interchangeable
interchangeable cross-reference
interchangeable
162-002Interchangeable
interchangeable cross-reference
interchangeable
04-206Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P-0603?
P-0603 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace P-0603?
There are 3 known substitutes for P-0603: P-0603, 162-002, 04-206. Substitute compatibility should be verified for your specific system.
What is the NSN for P-0603?
P-0603 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-066-4059. 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