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Technical Data Sheet
PartsTable / COMPONENT / 860197-203
860197-203 ✓ 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 WASHER,SHOULDERED is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-084-0027, 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
860197-203
NSN: 5310-00-084-0027
FSC: 5310
CAGE: 13973 — LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION (USA)
SPECIFICATIONS
Part Number860197-203
NSN5310-00-084-0027
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 860197-203 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1855-0378Interchangeable
interchangeable cross-reference
interchangeable
10133078Interchangeable
interchangeable cross-reference
interchangeable
SN2418Interchangeable
interchangeable cross-reference
interchangeable
563904Interchangeable
interchangeable cross-reference
interchangeable
560717Interchangeable
interchangeable cross-reference
interchangeable
11443217-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 860197-203?
860197-203 is a WASHER,SHOULDERED.
What parts can replace 860197-203?
There are 8 known substitutes for 860197-203: 1855-0378, 10133078, SN2418 and 5 more. Substitute compatibility should be verified for your specific system.
Is 860197-203 still available?
860197-203 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