PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 142891
142891 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, thread_direction: LEFT-HAND, countersink_angle: 110.0 DEGREES NOMINAL NUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-616-4858, 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
142891
NSN: 5325-00-616-4858
FSC: 5325
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 317 OR STEEL COMP 347 OVERALL
nut_styleHEXAGON
nut_height0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
thread_directionLEFT-HAND
countersink_angle110.0 DEGREES NOMINAL NUT
surface_treatmentPASSIVATE OVERALL
width_across_flats0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
nominal_thread_size0.190 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
drilled_hole_diameter0.052 INCHES NOMINAL IN
NSN5325-00-616-4858
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 142891 · 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
•
HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
GROMMET STYLE: ROUND
•
GROOVE OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
LARGE FLANGE OUTSIDE DIAMETER: 0.938 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.062 INCHES NOMINAL IN
•
GROMMET CONSTRUCTION TYPE: SOLID
•
FLANGE THICKNESS: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.500 INCHES NOMINAL IN
GROMMET STYLEROUND
GROOVE OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER0.938 INCHES NOMINAL IN
GROOVE WIDTH0.062 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESOLID
FLANGE THICKNESS0.094 INCHES NOMINAL IN
OVERALL HEIGHT0.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
S8-5Interchangeable
interchangeable cross-reference
interchangeable
D17149DInterchangeable
interchangeable cross-reference
interchangeable
10431Interchangeable
interchangeable cross-reference
interchangeable
029483-00Interchangeable
interchangeable cross-reference
interchangeable
RW126054PC3Interchangeable
interchangeable cross-reference
interchangeable
14289-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 142891?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 142891?
142891 is a NUT,PLAIN,HEXAGON.
What parts can replace 142891?
There are 11 known substitutes for 142891: S8-5, D17149D, 10431 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 142891?
142891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-616-4858. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 142891

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026