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Technical Data Sheet
PartsTable / COMPONENT / 004-003005-018
004-003005-018 ✓ 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 color: BLACK OVERALL, material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM0.175 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM43.0 ROCKWELL C MAXIMUM, outside_diameter: 0.293 INCHES NOMINAL0.293 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-067-9589, 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
004-003005-018
NSN: 5310-01-067-9589
FSC: 5310
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM0.175 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM43.0 ROCKWELL C MAXIMUM
outside_diameter0.293 INCHES NOMINAL0.293 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPAINT OVERALL
material_thickness0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM0.046 INCHES MAXIMUM IN
nondefinitive_spec/std_dataC CLASS AND 2 STYLE
departure_from_cited_documentAS MODIFIED BY SURFACE TREATMENT AND COLOR
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-01-067-9589
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 004-003005-018 · 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
•
COLOR: BLACK OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
OUTSIDE DIAMETER: 0.293 INCHES NOMINAL0.293 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM0.175 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL THICKNESS: 0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM0.046 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT: PAINT OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
COLORBLACK OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
OUTSIDE DIAMETER0.293 INCHES NOMINAL0.293 INCHES NOMINAL IN
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM0.175 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL THICKNESS0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM0.046 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPAINT OVERALL
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM43.0 ROCKWELL C MAXIMUM
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SURFACE TREATMENT AND COLOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
131035Interchangeable
interchangeable cross-reference
interchangeable
1-1-4MEDIUMInterchangeable
interchangeable cross-reference
interchangeable
85426Interchangeable
interchangeable cross-reference
interchangeable
52-60-46Interchangeable
interchangeable cross-reference
interchangeable
10163785Interchangeable
interchangeable cross-reference
interchangeable
B70302Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 004-003005-018?
004-003005-018 is a WASHER,LOCK.
What parts can replace 004-003005-018?
There are 22 known substitutes for 004-003005-018: 131035, 1-1-4MEDIUM, 85426 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 004-003005-018?
004-003005-018 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-067-9589. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026