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Technical Data Sheet
PartsTable / COMPONENT / 00-000-90-201
00-000-90-201 ✓ 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: 0.102 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, outside_diameter: 0.215 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.016 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-676-8573, 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
00-000-90-201
NSN: 5310-00-676-8573
FSC: 5310
CAGE: 78022 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.102 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
outside_diameter0.215 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.016 INCHES NOMINAL IN
NSN5310-00-676-8573
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 00-000-90-201 · 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
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
OUTSIDE DIAMETER: 0.215 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.016 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.102 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
OUTSIDE DIAMETER0.215 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
MATERIAL THICKNESS0.016 INCHES NOMINAL IN
HOLE DIAMETER0.102 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT INTERNAL TEETH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
SLW0-1703Interchangeable
interchangeable cross-reference
interchangeable
1203-00Interchangeable
interchangeable cross-reference
interchangeable
936A3CInterchangeable
interchangeable cross-reference
interchangeable
05006-0008Interchangeable
interchangeable cross-reference
interchangeable
E-1203Interchangeable
interchangeable cross-reference
interchangeable
65206-01009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 00-000-90-201?
00-000-90-201 is a WASHER,LOCK.
What parts can replace 00-000-90-201?
There are 12 known substitutes for 00-000-90-201: SLW0-1703, 1203-00, 936A3C and 9 more. Substitute compatibility should be verified for your specific system.
Is 00-000-90-201 still available?
00-000-90-201 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