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Technical Data Sheet
PartsTable / COMPONENT / NASM35338-155
NASM35338-155 ✓ 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 material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 0.250 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-734-2976, 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
NASM35338-155
NSN: 5310-01-734-2976
FSC: 5310
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter0.250 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPASSIVATE OVERALL
material_thickness0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
end_item_identificationKC-46 AIRCRAFT
specification/standard_data80205-NAS-35338 NATIONAL STD/SPEC
part_name_assigned_by_controlling_agencyWASHER,LOCK-SPRING,HELICAL,REGULAR MEDIUM SERIES
surface_treatment_document_and_classificationAMS 2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-734-2976
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NASM35338-155 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
SPECIFICATION/STANDARD DATA: 80205-NAS-35338 NATIONAL STD/SPEC
•
MATERIAL THICKNESS: 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.250 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,LOCK-SPRING,HELICAL,REGULAR MEDIUM SERIES
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SPECIFICATION/STANDARD DATA80205-NAS-35338 NATIONAL STD/SPEC
MATERIAL THICKNESS0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.250 INCHES MAXIMUM IN
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONKC-46 AIRCRAFT
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
405132503Interchangeable
interchangeable cross-reference
interchangeable
116125Interchangeable
interchangeable cross-reference
interchangeable
1914998Interchangeable
interchangeable cross-reference
interchangeable
403369Interchangeable
interchangeable cross-reference
interchangeable
MS35338-45Interchangeable
interchangeable cross-reference
interchangeable
004-003005-048Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NASM35338-155?
NASM35338-155 is a WASHER,LOCK.
What parts can replace NASM35338-155?
There are 27 known substitutes for NASM35338-155: 405132503, 116125, 1914998 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NASM35338-155?
NASM35338-155 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-734-2976. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026