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Technical Data Sheet

43W5740-50 — Technical Data Sheet

✓ 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: COPPER ALLOY OVERALL, hole_diameter: 0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, hardness_rating: 90.0 ROCKWELL B MINIMUM, outside_diameter: 0.337 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.0468 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-194-7344, 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
43W5740-50
NSN: 5310-00-194-7344
FSC: 5310
CAGE: 94135 — NAVAL ORDNANCE STANDARDS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
hardness_rating90.0 ROCKWELL B MINIMUM
outside_diameter0.337 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.0468 INCHES NOMINAL IN
nondefinitive_spec/std_dataE CLASS AND 2 STYLE
NSN5310-00-194-7344
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 43W5740-50 · 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: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
HOLE DIAMETER: 0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.0468 INCHES NOMINAL IN
•
HARDNESS RATING: 90.0 ROCKWELL B MINIMUM
•
NONDEFINITIVE SPEC/STD DATA: E CLASS AND 2 STYLE
•
OUTSIDE DIAMETER: 0.337 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
HOLE DIAMETER0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
MATERIAL THICKNESS0.0468 INCHES NOMINAL IN
HARDNESS RATING90.0 ROCKWELL B MINIMUM
NONDEFINITIVE SPEC/STD DATAE CLASS AND 2 STYLE
OUTSIDE DIAMETER0.337 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
107222Interchangeable
interchangeable cross-reference
interchangeable
93620-162Interchangeable
interchangeable cross-reference
interchangeable
323605PC12Interchangeable
interchangeable cross-reference
interchangeable
310-0077-000Interchangeable
interchangeable cross-reference
interchangeable
04S130504-10Interchangeable
interchangeable cross-reference
interchangeable
93496A415Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43W5740-50?
43W5740-50 is a WASHER,LOCK.
What parts can replace 43W5740-50?
There are 24 known substitutes for 43W5740-50: 107222, 93620-162, 323605PC12 and 21 more. Substitute compatibility should be verified for your specific system.
Is 43W5740-50 still available?
43W5740-50 is currently cancelled.
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