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Technical Data Sheet
PartsTable / COMPONENT / 107003-213
107003-213 ✓ 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: 0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, outside_diameter: 0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: NICKEL OVERALL, material_thickness: 0.022 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-261-7160, 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
107003-213
NSN: 5310-00-261-7160
FSC: 5310
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
outside_diameter0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentNICKEL OVERALL
material_thickness0.022 INCHES NOMINAL IN
NSN5310-00-261-7160
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 107003-213 · 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 THICKNESS: 0.022 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
SURFACE TREATMENT: NICKEL OVERALL
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
STYLE DESIGNATORFLAT INTERNAL TEETH
SURFACE TREATMENTNICKEL OVERALL
END ITEM IDENTIFICATIONW/S:STURGEON CLASS SSN (637); RADAR SET, LIGHTWEIGHT 3D (AN/TPS-59); HELICOPTER, MH-53E; TRANSPONDER (TSEC/KIT-1A); INTERROGATION COMPUTER (KIR-1A); SPRUANCE CLASS DD (963); LOS ANGELES CLASS SSN (688); AIRCRAFT, C-2A (REPROCURED); FORRESTAL CLASS CV A
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
HOLE DIAMETER0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
E00502Interchangeable
interchangeable cross-reference
interchangeable
DRILLSTEELInterchangeable
interchangeable cross-reference
interchangeable
30602Interchangeable
interchangeable cross-reference
interchangeable
95731Interchangeable
interchangeable cross-reference
interchangeable
30-189Interchangeable
interchangeable cross-reference
interchangeable
30-202Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 107003-213?
107003-213 is a WASHER,LOCK.
What parts can replace 107003-213?
There are 19 known substitutes for 107003-213: E00502, DRILLSTEEL, 30602 and 16 more. Substitute compatibility should be verified for your specific system.
Is 107003-213 still available?
107003-213 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