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Technical Data Sheet
PartsTable / COMPONENT / MS35338-103
MS35338-103 ✓ 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: COPPER ALLOY OVERALL, hole_diameter: 0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN, hardness_rating: 90.0 ROCKWELL B MINIMUM, outside_diameter: 0.683 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-184-8971, 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
MS35338-103
NSN: 5310-00-184-8971
FSC: 5310
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
hardness_rating90.0 ROCKWELL B MINIMUM
outside_diameter0.683 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OVERALL
material_thickness0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
end_item_identificationMRAP RG-31; MEDIUM MINE PROTECTED VEHICLE - MMPV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-184-8971
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35338-103 · 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
•
HOLE DIAMETER: 0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
HARDNESS RATING: 90.0 ROCKWELL B MINIMUM
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.683 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
HARDNESS RATING90.0 ROCKWELL B MINIMUM
END ITEM IDENTIFICATIONMRAP RG-31; MEDIUM MINE PROTECTED VEHICLE - MMPV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OUTSIDE DIAMETER0.683 INCHES MAXIMUM IN
MATERIAL THICKNESS0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
900873-11Interchangeable
interchangeable cross-reference
interchangeable
AN935B616LInterchangeable
interchangeable cross-reference
interchangeable
H-1143-HPC9Interchangeable
interchangeable cross-reference
interchangeable
004-003005-083Interchangeable
interchangeable cross-reference
interchangeable
AN935B1016Interchangeable
interchangeable cross-reference
interchangeable
517045Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35338-103?
MS35338-103 is a WASHER,LOCK.
What parts can replace MS35338-103?
There are 29 known substitutes for MS35338-103: 900873-11, AN935B616L, H-1143-HPC9 and 26 more. Substitute compatibility should be verified for your specific system.
Is MS35338-103 still available?
MS35338-103 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