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Technical Data Sheet
PartsTable / COMPONENT / MS35333-38
MS35333-38 ✓ 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 hole_diameter: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: CADMIUM OVERALL, material_thickness: 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-559-0070, 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
MS35333-38
NSN: 5310-00-559-0070
FSC: 5310
CAGE: 1V757 — WESCO AIRCRAFT HARDWARE CORP. DBA INCORA (USA)
SPECIFICATIONS
materialSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
hole_diameter0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentCADMIUM OVERALL
material_thickness0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; LOGISTICS SUPPORT VESSEL; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-559-0070
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35333-38 · 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
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; LOGISTICS SUPPORT VESSEL; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
MATERIAL THICKNESS0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORFLAT INTERNAL TEETH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
138166Interchangeable
interchangeable cross-reference
interchangeable
MS35333-55Interchangeable
interchangeable cross-reference
interchangeable
115544Interchangeable
interchangeable cross-reference
interchangeable
ST897Interchangeable
interchangeable cross-reference
interchangeable
84603Interchangeable
interchangeable cross-reference
interchangeable
6F2956Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35333-38?
MS35333-38 is a WASHER,LOCK.
What parts can replace MS35333-38?
There are 22 known substitutes for MS35333-38: 138166, MS35333-55, 115544 and 19 more. Substitute compatibility should be verified for your specific system.
Is MS35333-38 still available?
MS35333-38 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