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Technical Data Sheet
PartsTable / COMPONENT / 11031477-1
11031477-1 ✓ 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: 0.505 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN, outside_diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, special_features: ALTERNATE TOOTH TWIST, style_designator: FLAT INTERNAL TEETH, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-197-4505, 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
11031477-1
NSN: 5310-00-197-4505
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.505 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
outside_diameter0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
special_featuresALTERNATE TOOTH TWIST
style_designatorFLAT INTERNAL TEETH
surface_treatmentCADMIUM OVERALL
material_thickness0.022 INCHES NOMINAL IN
NSN5310-00-197-4505
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11031477-1 · 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
•
HOLE DIAMETER: 0.505 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
HOLE DIAMETER0.505 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
SPECIAL FEATURESALTERNATE TOOTH TWIST
OUTSIDE DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
STYLE DESIGNATORFLAT INTERNAL TEETH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
3E6556Interchangeable
interchangeable cross-reference
interchangeable
1317Interchangeable
interchangeable cross-reference
interchangeable
49000BInterchangeable
interchangeable cross-reference
interchangeable
122402Interchangeable
interchangeable cross-reference
interchangeable
193891Interchangeable
interchangeable cross-reference
interchangeable
317Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11031477-1?
11031477-1 is a WASHER,LOCK.
What parts can replace 11031477-1?
There are 27 known substitutes for 11031477-1: 3E6556, 1317, 49000B and 24 more. Substitute compatibility should be verified for your specific system.
Is 11031477-1 still available?
11031477-1 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026