PartsTable
Technical Data Sheet
Download PDF

MS35338-77 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS35338-77: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 0.172 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-722-5652, 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
MS35338-77
NSN: 5310-00-722-5652
NIINs: 007225652, 009282690
FSC: 5310 — Nuts and Washers
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter0.172 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPASSIVATE OVERALL
material_thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
special_test_featuresFLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 911861
departure_from_cited_designatorAS MODIFIED BY SPECIAL TEST FEATURES
material_document_and_classification66 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-722-5652
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35338-77 · 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: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SPECIAL TEST FEATURES: FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 911861
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.172 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SPECIAL TEST FEATURES
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SPECIAL TEST FEATURESFLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 911861
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.172 INCHES MAXIMUM IN
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SPECIAL TEST FEATURES
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
903313Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy MS35338-77?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS35338-77?
MS35338-77 is a WASHER,LOCK.
What parts can replace MS35338-77?
There is 1 known substitute for MS35338-77: 903313. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35338-77?
MS35338-77 is cataloged in the U.S. Government catalog under NSN 5310-00-722-5652. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS35338-77

✓ 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.