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Technical Data Sheet
PartsTable / COMPONENT / 42-6880-300-350
42-6880-300-350 ✓ 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 PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.250 INCHES NOMINAL IN, material: STEEL OVERALL, style_designator: STANDARD, underloop_length: 3.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3426, 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
42-6880-300-350
NSN: 5315-00-010-3426
FSC: 5315
CAGE: 81336 — CHIEF OF ENGINEERS DEPT OF ARMY (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialSTEEL OVERALL
style_designatorSTANDARD
underloop_length3.000 INCHES NOMINAL IN
NSN5315-00-010-3426
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 42-6880-300-350 · 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
•
UNDERLOOP LENGTH: 3.000 INCHES NOMINAL IN
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
UNDERLOOP LENGTH3.000 INCHES NOMINAL IN
DIAMETER0.250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
103408Interchangeable
interchangeable cross-reference
interchangeable
9X1123-16Interchangeable
interchangeable cross-reference
interchangeable
900810Interchangeable
interchangeable cross-reference
interchangeable
0900813-7Interchangeable
interchangeable cross-reference
interchangeable
103411Interchangeable
interchangeable cross-reference
interchangeable
804881Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42-6880-300-350?
42-6880-300-350 is a PIN,COTTER.
What parts can replace 42-6880-300-350?
There are 28 known substitutes for 42-6880-300-350: 103408, 9X1123-16, 900810 and 25 more. Substitute compatibility should be verified for your specific system.
Is 42-6880-300-350 still available?
42-6880-300-350 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026