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Technical Data Sheet
PartsTable / COMPONENT / 394009PC111
394009PC111 ✓ 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 CORROSION RESISTING OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, overall_diameter: 1.125 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-800-8859, 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
394009PC111
NSN: 5310-00-800-8859
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
overall_diameter1.125 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-800-8859
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 394009PC111 · 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
•
THICKNESS: 0.032 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.032 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
OVERALL DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
K-2990Interchangeable
interchangeable cross-reference
interchangeable
30864Interchangeable
interchangeable cross-reference
interchangeable
392811Interchangeable
interchangeable cross-reference
interchangeable
146453Interchangeable
interchangeable cross-reference
interchangeable
ESL63859Interchangeable
interchangeable cross-reference
interchangeable
8787Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 394009PC111?
394009PC111 is a WASHER,FLAT.
What parts can replace 394009PC111?
There are 10 known substitutes for 394009PC111: K-2990, 30864, 392811 and 7 more. Substitute compatibility should be verified for your specific system.
Is 394009PC111 still available?
394009PC111 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