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PartsTable / COMPONENT / R68-131368
R68-131368 ✓ 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,FLAT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-623-3132, 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
R68-131368
NSN: 5310-00-623-3132
FSC: 5310
CAGE: 81361 — EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC (USA)
SPECIFICATIONS
Part NumberR68-131368
NSN5310-00-623-3132
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R68-131368 · 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 7
34625Interchangeable
interchangeable cross-reference
interchangeable
D200K0:607246Interchangeable
interchangeable cross-reference
interchangeable
1352-GA03Interchangeable
interchangeable cross-reference
interchangeable
000-065-016Interchangeable
Same NIIN cross-reference
interchangeable
A25439Interchangeable
Same NIIN cross-reference
interchangeable
R68-131369Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R68-131368?
R68-131368 is a WASHER,FLAT.
What parts can replace R68-131368?
There are 7 known substitutes for R68-131368: 34625, D200K0:607246, 1352-GA03 and 4 more. Substitute compatibility should be verified for your specific system.
Is R68-131368 still available?
R68-131368 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