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MS35338-66 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS35338-66: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL, hole_diameter: 0.446 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 0.779 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-011-5314, 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
MS35338-66
NSN: 5310-00-011-5314
FSC: 5310 — Nuts and Washers
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
hole_diameter0.446 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter0.779 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPHOSPHATE OVERALL
material_thickness0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-P-16232,TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-011-5314
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35338-66 · 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 DOCUMENT AND CLASSIFICATION: MIL-P-16232,TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.779 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.779 INCHES MAXIMUM IN
MATERIAL THICKNESS0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
HOLE DIAMETER0.446 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
10422Reference document
Same NSN cross-reference
Reference document — Secondary reference
115314Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFW84CLASSASTYLE2Reference document
Same NSN cross-reference
Reference document — Identification reference
SW25212Reference document
Same NSN cross-reference
Reference document — Secondary reference
004-003005-070Reference document
Same NSN cross-reference
Reference document — Secondary reference
7-16 RReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS35338-66?
MS35338-66 is a WASHER,LOCK.
What parts can replace MS35338-66?
There are 6 known substitutes for MS35338-66: 10422, 115314, FFW84CLASSASTYLE2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35338-66?
MS35338-66 is cataloged in the U.S. Government catalog under NSN 5310-00-011-5314. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.