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Technical Data Sheet
PartsTable / COMPONENT / E1118-30-1
E1118-30-1 ✓ 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 COMP 1060 OVERALL, hole_diameter: 0.254 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, outside_diameter: 0.388 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, material_document_and_classification: AMS7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-032-2347, 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
E1118-30-1
NSN: 5310-00-032-2347
FSC: 5310
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OVERALL
hole_diameter0.254 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
outside_diameter0.388 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
material_document_and_classificationAMS7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-032-2347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: E1118-30-1 · 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
•
OUTSIDE DIAMETER: 0.388 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: STEEL COMP 1060 OVERALL
•
HOLE DIAMETER: 0.254 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.388 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALSTEEL COMP 1060 OVERALL
HOLE DIAMETER0.254 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
MATERIAL THICKNESS0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
103677Interchangeable
interchangeable cross-reference
interchangeable
54965Interchangeable
interchangeable cross-reference
interchangeable
54965AInterchangeable
interchangeable cross-reference
interchangeable
SM-C-187625Interchangeable
interchangeable cross-reference
interchangeable
E1-67-61F62Interchangeable
interchangeable cross-reference
interchangeable
ASTM E1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E1118-30-1?
E1118-30-1 is a WASHER,LOCK.
What parts can replace E1118-30-1?
There are 17 known substitutes for E1118-30-1: 103677, 54965, 54965A and 14 more. Substitute compatibility should be verified for your specific system.
Is E1118-30-1 still available?
E1118-30-1 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