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PartsTable / COMPONENT / 3050-0399
3050-0399 ✓ Verified by PartsTable
DELL · 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 DELL industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.030 INCHES NOMINAL IN, hole_diameter: 0.140 INCHES NOMINAL IN, overall_diameter: 0.380 INCHES NOMINAL IN, surface_treatment: NICKEL OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-146-7214, 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
3050-0399
NSN: 5310-00-146-7214
FSC: 5310
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.030 INCHES NOMINAL IN
hole_diameter0.140 INCHES NOMINAL IN
overall_diameter0.380 INCHES NOMINAL IN
surface_treatmentNICKEL OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-146-7214
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3050-0399 · DELL ⚠ 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: 0.380 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.140 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
SURFACE TREATMENT: NICKEL OVERALL
•
MATERIAL: STEEL OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.030 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.380 INCHES NOMINAL IN
HOLE DIAMETER0.140 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
SURFACE TREATMENTNICKEL OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.030 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
3140-0015Interchangeable
interchangeable cross-reference
interchangeable
314-57Interchangeable
interchangeable cross-reference
interchangeable
31020Interchangeable
interchangeable cross-reference
interchangeable
AA55497-009Interchangeable
interchangeable cross-reference
interchangeable
A-A-55497Interchangeable
interchangeable cross-reference
interchangeable
FS50103-1811Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3050-0399?
3050-0399 is a WASHER,FLAT manufactured by DELL.
What parts can replace 3050-0399?
There are 22 known substitutes for 3050-0399: 3140-0015, 314-57, 31020 and 19 more. Substitute compatibility should be verified for your specific system.
Is 3050-0399 still available?
3050-0399 is currently cancelled.
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Last verified: July 2026