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PartsTable / COMPONENT / G103-141
G103-141 ✓ 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

NUT,PLAIN,EXTENDED WASHER,HEXAGO. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.625 INCHES NOMINAL IN, special_features: WASHER FACE IN DENTED 0.031 IN. DEEP ON 1.125 IN.

DIA 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 5310-00-596-8163, 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
G103-141
NSN: 5310-00-596-8163
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.625 INCHES NOMINAL IN
special_featuresWASHER FACE IN DENTED 0.031 IN. DEEP ON 1.125 IN. DIA IN
thread_directionRIGHT-HAND
washer_thickness0.125 INCHES NOMINAL IN
width_across_flats0.875 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
washer_outside_diameter1.500 INCHES NOMINAL IN
thread_quantity_per_inch13
NSN5310-00-596-8163
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G103-141 · 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
•
WASHER OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 13
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
WASHER OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
SPECIAL FEATURESWASHER FACE IN DENTED 0.031 IN. DEEP ON 1.125 IN. DIA IN
THREAD QUANTITY PER INCH13
OVERALL HEIGHT0.625 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
D15-745BPC241-242Interchangeable
interchangeable cross-reference
interchangeable
D15-787GPC241-242Interchangeable
interchangeable cross-reference
interchangeable
D15-743KPC241-242Interchangeable
interchangeable cross-reference
interchangeable
590012Interchangeable
interchangeable cross-reference
interchangeable
8168879Interchangeable
interchangeable cross-reference
interchangeable
817-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G103-141?
G103-141 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What parts can replace G103-141?
There are 18 known substitutes for G103-141: D15-745BPC241-242, D15-787GPC241-242, D15-743KPC241-242 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G103-141?
G103-141 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-8163. 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