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PartsTable / COMPONENT / PC92040-1
PC92040-1 ✓ 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,CONVEX is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, hole_diameter: 0.257 INCHES NOMINAL IN, outside_diameter: 0.440 INCHES NOMINAL IN, style_designator: CONVEX, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.190 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-758-6444, 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
PC92040-1
NSN: 5310-00-758-6444
FSC: 5310
CAGE: 09344 — ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
hole_diameter0.257 INCHES NOMINAL IN
outside_diameter0.440 INCHES NOMINAL IN
style_designatorCONVEX
surface_treatmentPASSIVATE OVERALL
material_thickness0.190 INCHES NOMINAL IN
material_document_and_classificationQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-758-6444
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PC92040-1 · 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
•
HOLE DIAMETER: 0.257 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.190 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
OUTSIDE DIAMETER: 0.440 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: CONVEX
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER0.257 INCHES NOMINAL IN
MATERIAL THICKNESS0.190 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 303 OVERALL
OUTSIDE DIAMETER0.440 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORCONVEX
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
3-16 4Interchangeable
interchangeable cross-reference
interchangeable
F4NY-187BKInterchangeable
interchangeable cross-reference
interchangeable
F4NY-187NAInterchangeable
interchangeable cross-reference
interchangeable
P410-500Interchangeable
interchangeable cross-reference
interchangeable
O-C-265Interchangeable
interchangeable cross-reference
interchangeable
5-16 6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PC92040-1?
PC92040-1 is a WASHER,CONVEX.
What parts can replace PC92040-1?
There are 22 known substitutes for PC92040-1: 3-16 4, F4NY-187BK, F4NY-187NA and 19 more. Substitute compatibility should be verified for your specific system.
Is PC92040-1 still available?
PC92040-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026