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Technical Data Sheet
PartsTable / COMPONENT / 149 ITEM 42
149 ITEM 42 ✓ 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 SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, fastener_length: 0.620 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.190 INCHES IN, thread_quantity_per_inch: 24, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-142-9394, 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
149 ITEM 42
NSN: 5305-01-142-9394
FSC: 5305
CAGE: K7018 — WELLMAN GROUP (GBR)
SPECIFICATIONS
head_styleFILLISTER
fastener_length0.620 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-142-9394
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 149 ITEM 42 · 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
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD QUANTITY PER INCH: 24
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD STYLE: FILLISTER
•
FASTENER LENGTH: 0.620 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD QUANTITY PER INCH24
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEFILLISTER
FASTENER LENGTH0.620 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
14942Interchangeable
interchangeable cross-reference
interchangeable
9-904-101290Interchangeable
interchangeable cross-reference
interchangeable
415349RInterchangeable
interchangeable cross-reference
interchangeable
231798Interchangeable
interchangeable cross-reference
interchangeable
8512ITEM27Interchangeable
interchangeable cross-reference
interchangeable
8519ITEM28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 149 ITEM 42?
149 ITEM 42 is a SCREW,MACHINE.
What parts can replace 149 ITEM 42?
There are 16 known substitutes for 149 ITEM 42: 14942, 9-904-101290, 415349R and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 149 ITEM 42?
149 ITEM 42 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-142-9394. 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