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MS35338-64 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS35338-64: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZW. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-011-6120, 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
MS35338-64
NSN: 5310-00-011-6120
NIINs: 000116120, 004079566, 014565616
FSC: 5310 — Nuts and Washers
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN5310-00-011-6120
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35338-64 · 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: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,FS 1060 TO FS 1080-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.591 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.078 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: A CLASS AND 2 STYLE
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,FS 1060 TO FS 1080-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.591 INCHES MAXIMUM IN
MATERIAL THICKNESS0.078 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAA CLASS AND 2 STYLE
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
HOLE DIAMETER0.319 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
6X814Reference document
Same NSN cross-reference
Reference document — Secondary reference
34806S2Reference document
Same NSN cross-reference
Reference document — Secondary reference
91X7RReference document
Same NSN cross-reference
Reference document — Secondary reference
116120Reference document
Same NSN cross-reference
Reference document — Secondary reference
004-003005-068Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFW84CLASSASTYLE2Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS35338-64?
MS35338-64 is a WASHER,LOCK.
What parts can replace MS35338-64?
There are 6 known substitutes for MS35338-64: 6X814, 34806S2, 91X7R and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35338-64?
MS35338-64 is cataloged in the U.S. Government catalog under NSN 5310-00-011-6120. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.