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Technical Data Sheet
PartsTable / MRO / 745428
745428 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 TRAIN MECHANISM,SONAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, fragility_factor: RUGGED, outside_diameter: 0.500 INCHES NOMINAL IN, style_designator: FLAT INTERNAL TEETH, material_thickness: 0.020 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-595-7154, 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
MRO→ MRO_GENERAL→ 745428
NSN: 5310-00-595-7154
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
fragility_factorRUGGED
outside_diameter0.500 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
material_thickness0.020 INCHES NOMINAL IN
fsc_application_dataUNDERWATER SOUND EQUIPMENT
general_characteristics_item_descriptionCORROSION RESISTANT STEEL BAR; CL 303,COND A,COLD FINISH,11.250 IN. LG; 0.4998 IN. MIN DIA; 0.500 IN. MAX DIA IN
NSN5310-00-595-7154
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 745428 · 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
•
HOLE DIAMETER: 0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
410894-38Interchangeable
interchangeable cross-reference
interchangeable
881557-9Interchangeable
interchangeable cross-reference
interchangeable
G440056-7Interchangeable
interchangeable cross-reference
interchangeable
745428Interchangeable
interchangeable cross-reference
interchangeable
745428-1Interchangeable
interchangeable cross-reference
interchangeable
172002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 745428?
745428 is a TRAIN MECHANISM,SONAR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 745428?
There are 14 known substitutes for 745428: 410894-38, 881557-9, G440056-7 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 745428?
745428 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-595-7154. 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