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Technical Data Sheet
PartsTable / COMPONENT / MS35333-48
MS35333-48 ✓ 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: 0.894 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 1.364 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-660-1819, 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
MS35333-48
NSN: 5310-00-660-1819
FSC: 5310
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
hole_diameter0.894 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter1.364 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
end_item_identificationMRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5; MRAP - M-ATV UI
nondefinitive_spec/std_data1 TYPE AND A GRADE AND 1 STYLE AND 1 COMPOSITION
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
NSN5310-00-660-1819
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35333-48 · 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
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
MATERIAL: STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A GRADE AND 1 STYLE AND 1 COMPOSITION
•
HOLE DIAMETER: 0.894 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
STYLE DESIGNATORFLAT INTERNAL TEETH
END ITEM IDENTIFICATIONMRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5; MRAP - M-ATV UI
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
MATERIALSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A GRADE AND 1 STYLE AND 1 COMPOSITION
HOLE DIAMETER0.894 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
MATERIAL THICKNESS0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
B120434Interchangeable
interchangeable cross-reference
interchangeable
123400Interchangeable
interchangeable cross-reference
interchangeable
187204L1Interchangeable
interchangeable cross-reference
interchangeable
AF3Interchangeable
interchangeable cross-reference
interchangeable
123400-1Interchangeable
interchangeable cross-reference
interchangeable
124070-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35333-48?
MS35333-48 is a WASHER,LOCK.
What parts can replace MS35333-48?
There are 9 known substitutes for MS35333-48: B120434, 123400, 187204L1 and 6 more. Substitute compatibility should be verified for your specific system.
Is MS35333-48 still available?
MS35333-48 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