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401.854 — SCREW,CORTEX,MANDIBULAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

401.854: SCREW,CORTEX,MANDIBULAR.

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 part is cataloged in the U.S.

Government catalog 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
401.854
NSN: 5307-00-616-6128
NIINs: 006166128, 014940360, 014997977
FSC: 5307 — Studs
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: 401.854 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.500 INCHES MINIMUM NUT THREAD IN
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
•
THREAD PITCH DIAMETERS: +0.2231 TO 0.2244 INCHES STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.500 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH0.560 INCHES MINIMUM STUD THREAD IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS+0.2231 TO 0.2244 INCHES STUD THREAD IN
OVERALL LENGTH1.960 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.250 INCHES STUD THREAD IN
SUBSTITUTES & CROSS-REFERENCES 1
00308Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401.854?
401.854 is a SCREW,CORTEX,MANDIBULAR.
What parts can replace 401.854?
There is 1 known substitute for 401.854: 00308. Substitute compatibility should be verified for your specific system.
What is the NSN for 401.854?
401.854 is cataloged in the U.S. Government catalog under NSN 5307-00-616-6128. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.