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PartsTable / COMPONENT / 1018985-006
1018985-006 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, hole_diameter: 0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN, overall_diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-082-1404, 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
1018985-006
NSN: 5310-00-082-1404
FSC: 5310
CAGE: 0HBH2 — LEXEL IMAGING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
hole_diameter0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
overall_diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND A CLASS
departure_from_cited_documentAS MODIFIED BY THE FINISH
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-082-1404
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1018985-006 · 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
•
OVERALL DIAMETER: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY THE FINISH
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND A CLASS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
HOLE DIAMETER0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY THE FINISH
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND A CLASS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THICKNESS0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
25-000065-007Interchangeable
interchangeable cross-reference
interchangeable
80721Interchangeable
interchangeable cross-reference
interchangeable
691C726P6Interchangeable
interchangeable cross-reference
interchangeable
4197515-004Interchangeable
Same NIIN cross-reference
interchangeable
FF-W-92Interchangeable
Same NIIN cross-reference
interchangeable
MS27183-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1018985-006?
1018985-006 is a WASHER,FLAT.
What parts can replace 1018985-006?
There are 11 known substitutes for 1018985-006: 25-000065-007, 80721, 691C726P6 and 8 more. Substitute compatibility should be verified for your specific system.
Is 1018985-006 still available?
1018985-006 is currently cancelled.
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Last verified: July 2026