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Technical Data Sheet
PartsTable / COMPONENT / 419506-32
419506-32 ✓ 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 THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 1, head_height: 0.125 INCHES NOMINAL IN, point_style: FLAT, thread_class: 3A A, head_diameter: 0.375 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 5305-00-952-0173, 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
419506-32
NSN: 5305-00-952-0173
FSC: 5305
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleKNURLED NO. 1
head_height0.125 INCHES NOMINAL IN
point_styleFLAT
thread_class3A A
head_diameter0.375 INCHES NOMINAL IN
thread_length0.375 INCHES MINIMUM IN
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_diameter0.138 INCHES IN
thread_quantity_per_inch32
NSN5305-00-952-0173
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 419506-32 · 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
•
MATERIAL: STEEL COMP 303 OVERALL
•
THREAD CLASS: 3A A
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
POINT STYLE: FLAT
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD HEIGHT: 0.125 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
HEAD DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303 OVERALL
THREAD CLASS3A A
NOMINAL THREAD DIAMETER0.138 INCHES IN
POINT STYLEFLAT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD HEIGHT0.125 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
HEAD DIAMETER0.375 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES MINIMUM IN
HEAD STYLEKNURLED NO. 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
4019Interchangeable
interchangeable cross-reference
interchangeable
1515Interchangeable
interchangeable cross-reference
interchangeable
01845-1069Interchangeable
interchangeable cross-reference
interchangeable
2592AInterchangeable
interchangeable cross-reference
interchangeable
ME88-2Interchangeable
interchangeable cross-reference
interchangeable
BLUHI100000HMSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 419506-32?
419506-32 is a THUMBSCREW.
What parts can replace 419506-32?
There are 16 known substitutes for 419506-32: 4019, 1515, 01845-1069 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 419506-32?
419506-32 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-952-0173. 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