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Technical Data Sheet
PartsTable / COMPONENT / 0188-2-3053-1
0188-2-3053-1 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, outside_diameter: 0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL AND INTERNAL TEETH, surface_treatment: NICKEL OVERALL, material_thickness: 0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-188-0473, 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
0188-2-3053-1
NSN: 5310-00-188-0473
FSC: 5310
CAGE: 15942 — USACECOM INTELLIGENCE ELECTRONIC WARFARE SENSORS DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
outside_diameter0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL AND INTERNAL TEETH
surface_treatmentNICKEL OVERALL
material_thickness0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
NSN5310-00-188-0473
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0188-2-3053-1 · 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
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT EXTERNAL AND INTERNAL TEETH
•
SURFACE TREATMENT: NICKEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
MATERIAL THICKNESS0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT EXTERNAL AND INTERNAL TEETH
SURFACE TREATMENTNICKEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
ESP-F-1.321-PPInterchangeable
interchangeable cross-reference
interchangeable
877-014CInterchangeable
interchangeable cross-reference
interchangeable
4028-34-00Interchangeable
interchangeable cross-reference
interchangeable
92165A030Interchangeable
interchangeable cross-reference
interchangeable
MS35333-109Interchangeable
interchangeable cross-reference
interchangeable
FF-W-100CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0188-2-3053-1?
0188-2-3053-1 is a WASHER,LOCK.
What parts can replace 0188-2-3053-1?
There are 27 known substitutes for 0188-2-3053-1: ESP-F-1.321-PP, 877-014C, 4028-34-00 and 24 more. Substitute compatibility should be verified for your specific system.
Is 0188-2-3053-1 still available?
0188-2-3053-1 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