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PartsTable / COMPONENT / 401854
401854 ✓ 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,CORTEX,MANDIBULAR is a the manufacturer industrial component. Key specifications include overall_length: 4.0 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: SCREW CORTEX MANDIBULAR 4MM O/A LG 2MM COURSE ORTHO TITANIUM 5S MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-616-6128, 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
401854
NSN: 5307-00-616-6128
FSC: 5307
CAGE: 28839 — TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV (USA)
SPECIFICATIONS
overall_length4.0 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencySCREW CORTEX MANDIBULAR 4MM O/A LG 2MM COURSE ORTHO TITANIUM 5S MM
NSN5307-00-616-6128
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 401854 · 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 LENGTH: 0.500 INCHES MINIMUM NUT THREAD IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNF NUT THREAD
•
THREAD PITCH DIAMETERS: +0.2231 TO 0.2244 INCHES STUD THREAD IN
•
NOMINAL THREAD SIZE: 0.250 INCHES NUT THREAD IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.500 INCHES MINIMUM NUT THREAD IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD SERIES DESIGNATORUNS STUD THREAD
THREAD PITCH DIAMETERS+0.2231 TO 0.2244 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
MATERIALSTEEL
THREAD LENGTH0.560 INCHES MINIMUM STUD THREAD IN
OVERALL LENGTH1.960 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20 STUD THREAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
401852P003Interchangeable
interchangeable cross-reference
interchangeable
401852HInterchangeable
interchangeable cross-reference
interchangeable
00308Interchangeable
interchangeable cross-reference
interchangeable
401852JInterchangeable
interchangeable cross-reference
interchangeable
401852P012Interchangeable
interchangeable cross-reference
interchangeable
401806HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401854?
401854 is a SCREW,CORTEX,MANDIBULAR.
What parts can replace 401854?
There are 19 known substitutes for 401854: 401852P003, 401852H, 00308 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 401854?
401854 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-616-6128. 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