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PI143BM — Technical Data Sheet

✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEADLESS (SETSCREW), point_style: FLAT, point_length: 0.219 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.656 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-00-428-2151, 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
PI143BM
NSN: 5305-00-428-2151
FSC: 5305
CAGE: 37562 — MACLEOD INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEADLESS (SETSCREW)
point_styleFLAT
point_length0.219 INCHES NOMINAL IN
thread_class2A A
thread_length0.656 INCHES MAXIMUM IN
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.156 INCHES NOMINAL IN
point_chamfer_angle15.0 DEGREES NOMINAL
internal_drive_styleHEXAGON
nominal_thread_diameter0.312 INCHES IN
NSN5305-00-428-2151
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PI143BM · 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
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 18
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
FASTENER LENGTH: 0.875 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD LENGTH: 0.656 INCHES MAXIMUM IN
•
POINT LENGTH: 0.219 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD CLASS2A A
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
FASTENER LENGTH0.875 INCHES NOMINAL IN
INTERNAL DRIVE STYLEHEXAGON
THREAD LENGTH0.656 INCHES MAXIMUM IN
POINT LENGTH0.219 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HEAD STYLEHEADLESS (SETSCREW)
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
106512InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
T362C336K025ASInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DNS336D025KRInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3296113InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PI143BInterchangeableGOVERNMENT REGISTRY
Setscrew
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PI143BM?
PI143BM is a SETSCREW.
What parts can replace PI143BM?
There are 5 known substitutes for PI143BM: 106512, T362C336K025AS, DNS336D025KR and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PI143BM?
PI143BM is cataloged in the Federal Logistics Information System under NSN 5305-00-428-2151. 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: October 2026