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Technical Data Sheet
PartsTable / COMPONENT / 845-6603141-71
845-6603141-71 ✓ 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 KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OVERALL, overall_width: 0.375 INCHES NOMINAL IN, overall_height: 0.375 INCHES NOMINAL IN, overall_length: 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN, starting_edge_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-382-3045, 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
845-6603141-71
NSN: 5315-01-382-3045
FSC: 5315
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OVERALL
overall_width0.375 INCHES NOMINAL IN
overall_height0.375 INCHES NOMINAL IN
overall_length1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
starting_edge_shapeSTRAIGHT
NSN5315-01-382-3045
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 845-6603141-71 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
QQA268Interchangeable
interchangeable cross-reference
interchangeable
3-8X11-2Interchangeable
interchangeable cross-reference
interchangeable
845-6603141-71Interchangeable
interchangeable cross-reference
interchangeable
6603141-71Interchangeable
interchangeable cross-reference
interchangeable
3/8X1 1/2Interchangeable
interchangeable cross-reference
interchangeable
845-6800704-071Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-6603141-71?
845-6603141-71 is a KEY,MACHINE.
What parts can replace 845-6603141-71?
There are 6 known substitutes for 845-6603141-71: QQA268, 3-8X11-2, 845-6603141-71 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-6603141-71?
845-6603141-71 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-382-3045. 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