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1142703 — Technical Data Sheet

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— · 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,SPLIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN, outside_diameter: 0.431 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN, style_designator: SPLIT, surface_treatment: CADMIUM OVERALL, material_thickness: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-559-9185, 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
1142703
NSN: 5310-00-559-9185
FSC: 5310
CAGE: 60119 — MONADNOCK COMPANY, THE DBA LISI AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
outside_diameter0.431 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
style_designatorSPLIT
surface_treatmentCADMIUM OVERALL
material_thickness0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
distance_across_split_opening0.030 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-559-9185
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1142703 · 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 DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HOLE DIAMETER: 0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT
•
MATERIAL THICKNESS: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.431 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
•
DISTANCE ACROSS SPLIT OPENING: 0.030 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT
MATERIAL THICKNESS0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.431 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
DISTANCE ACROSS SPLIT OPENING0.030 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3300-381170520Interchangeable
interchangeable cross-reference
interchangeable
RF7681Interchangeable
interchangeable cross-reference
interchangeable
5-161Interchangeable
interchangeable cross-reference
interchangeable
50E2-1Interchangeable
interchangeable cross-reference
interchangeable
50E2-2Interchangeable
interchangeable cross-reference
interchangeable
N7743134002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1142703?
1142703 is a WASHER,SPLIT.
What parts can replace 1142703?
There are 12 known substitutes for 1142703: 3300-381170520, RF7681, 5-161 and 9 more. Substitute compatibility should be verified for your specific system.
Is 1142703 still available?
1142703 is currently cancelled.
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Last verified: September 2026