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Technical Data Sheet
PartsTable / COMPONENT / 145373
145373 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include teeth_quantity: 66, bore_nominal_diameter: 0.500 INCHES BOTH ENDS IN, nominal_overall_length: 0.312 INCHES IN, nominal_outside_diameter: 2.000 INCHES 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 5305-00-014-5373, 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
145373
NSN: 5305-00-014-5373
FSC: 5305
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
teeth_quantity66
bore_nominal_diameter0.500 INCHES BOTH ENDS IN
nominal_overall_length0.312 INCHES IN
nominal_outside_diameter2.000 INCHES IN
NSN5305-00-014-5373
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 145373 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
PILOT DIAMETER: 0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
PILOT LENGTH: 0.045 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
•
HEAD DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NONMACHINE NOMINAL THREAD DIAMETER0.138 INCHES IN
PILOT DIAMETER0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
FASTENER LENGTH0.250 INCHES NOMINAL IN
PILOT LENGTH0.045 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
HEAD DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
NONDEFINITIVE SPEC/STD DATAU TYPE AND 1P STYLE
HEAD HEIGHT0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
6C605Interchangeable
interchangeable cross-reference
interchangeable
499295Interchangeable
interchangeable cross-reference
interchangeable
FFS107Interchangeable
interchangeable cross-reference
interchangeable
145373Interchangeable
interchangeable cross-reference
interchangeable
804247Interchangeable
Same NIIN cross-reference
interchangeable
FFS107TYPEUSTYLE1PInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 145373?
145373 is a GEAR,SPUR.
What parts can replace 145373?
There are 6 known substitutes for 145373: 6C605, 499295, FFS107 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 145373?
145373 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-014-5373. 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