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45543 ✓ Verified by PartsTable
Lindy · 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 ADAPTER,CONNECTOR is a Lindy industrial component. Key specifications include face_width: 0.047 INCHES NOMINAL IN, overall_width: 0.250 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, overall_length: 0.468 INCHES NOMINAL IN, outside_diameter: 3.000 INCHES NOMINAL IN, special_features: 36 TEETH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-013-4605, 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
45543
NSN: 5315-01-013-4605
FSC: 5315
CAGE: 16004 — DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC (USA)
SPECIFICATIONS
face_width0.047 INCHES NOMINAL IN
overall_width0.250 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length0.468 INCHES NOMINAL IN
outside_diameter3.000 INCHES NOMINAL IN
special_features36 TEETH
style_designatorPLAIN
tooth_arrangementSTRAIGHT
mating_end_quantity2
contact_removabilityNONREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS
included_contact_typeROUND PIN FIRST MATING END SINGLE CONTACT GROUPING
mounting_hole_diameter1.000 INCHES NOMINAL IN
NSN5315-01-013-4605
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 45543 · Lindy ⚠ 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
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.468 INCHES NOMINAL IN
OVERALL HEIGHT0.250 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
OVERALL WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
326-7Interchangeable
interchangeable cross-reference
interchangeable
45543Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45543?
45543 is a ADAPTER,CONNECTOR manufactured by Lindy.
What parts can replace 45543?
There are 2 known substitutes for 45543: 326-7, 45543. Substitute compatibility should be verified for your specific system.
What is the NSN for 45543?
45543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-013-4605. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026