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Technical Data Sheet
PartsTable / COMPONENT / 6864038
6864038 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 310 OVERALL, hole_diameter: 0.190 INCHES NOMINAL IN, heat_treatment: AS FABRICATED, outside_diameter: 0.365 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM 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 5310-00-849-9688, 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
6864038
NSN: 5310-00-849-9688
FSC: 5310
CAGE: K0680 — ROLLS-ROYCE AIRLINES (GBR)
SPECIFICATIONS
materialSTEEL COMP 310 OVERALL
hole_diameter0.190 INCHES NOMINAL IN
heat_treatmentAS FABRICATED
outside_diameter0.365 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
material_document_and_classificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-849-9688
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6864038 · 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
•
OUTSIDE DIAMETER: 0.365 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.190 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: STEEL COMP 310 OVERALL
•
HEAT TREATMENT: AS FABRICATED
•
MATERIAL THICKNESS: 0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.365 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
HOLE DIAMETER0.190 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALSTEEL COMP 310 OVERALL
HEAT TREATMENTAS FABRICATED
MATERIAL THICKNESS0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
012221423001Interchangeable
interchangeable cross-reference
interchangeable
723009730200Interchangeable
interchangeable cross-reference
interchangeable
MS20995C32Interchangeable
interchangeable cross-reference
interchangeable
K0031765Interchangeable
interchangeable cross-reference
interchangeable
31765Interchangeable
interchangeable cross-reference
interchangeable
5DS00-1350Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6864038?
6864038 is a WASHER,LOCK.
What parts can replace 6864038?
There are 14 known substitutes for 6864038: 012221423001, 723009730200, MS20995C32 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6864038?
6864038 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-849-9688. 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