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PartsTable / COMPONENT / MS35338-51
MS35338-51 ✓ 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: 0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 1.271 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL, material_thickness: 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-584-7888, 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
MS35338-51
NSN: 5310-00-584-7888
FSC: 5310
CAGE: FAHK8 — F.P.M. (FRA)
SPECIFICATIONS
hole_diameter0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter1.271 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC OVERALL
material_thickness0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
end_item_identificationMEDIUM MINE PROTECTED VEHICLE - MMPV
departure_from_cited_documentAS MODIFIED BY SURFACE TREATMENT
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-584-7888
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35338-51 · 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 29
103326Interchangeable
interchangeable cross-reference
interchangeable
MS35338-13Interchangeable
interchangeable cross-reference
interchangeable
130MAW1Interchangeable
interchangeable cross-reference
interchangeable
30/30Interchangeable
interchangeable cross-reference
interchangeable
DP2-40Interchangeable
interchangeable cross-reference
interchangeable
J12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35338-51?
MS35338-51 is a WASHER,LOCK.
What parts can replace MS35338-51?
There are 29 known substitutes for MS35338-51: 103326, MS35338-13, 130MAW1 and 26 more. Substitute compatibility should be verified for your specific system.
Is MS35338-51 still available?
MS35338-51 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