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Technical Data Sheet
PartsTable / COMPONENT / 400405
400405 ✓ Verified by PartsTable
Legrand · 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 BEARING,WASHER,THRUST is a Legrand industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.797 INCHES MINIMUM IN, fastener_length: 0.880 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-076-3714, 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
400405
NSN: 5305-00-076-3714
FSC: 5305
CAGE: 72599 — ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class3A A
thread_length0.797 INCHES MINIMUM IN
fastener_length0.880 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_between_flats0.347 INCHES MAXIMUM IN
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-076-3714
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 400405 · Legrand ⚠ 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
•
WIDTH BETWEEN FLATS: 0.347 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.880 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: HEXAGON
•
THREAD CLASS: 3A A
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD QUANTITY PER INCH: 24
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.347 INCHES MAXIMUM IN
FASTENER LENGTH0.880 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEHEXAGON
THREAD CLASS3A A
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD QUANTITY PER INCH24
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
400405Interchangeable
interchangeable cross-reference
interchangeable
J52508Interchangeable
interchangeable cross-reference
interchangeable
SE121TInterchangeable
interchangeable cross-reference
interchangeable
SE121T SHT 5, 301006-03 FN-5Interchangeable
interchangeable cross-reference
interchangeable
SE121T SHT 5, 301006-02 FN-5Interchangeable
interchangeable cross-reference
interchangeable
S9415665Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 400405?
400405 is a BEARING,WASHER,THRUST manufactured by Legrand.
What parts can replace 400405?
There are 6 known substitutes for 400405: 400405, J52508, SE121T and 3 more. Substitute compatibility should be verified for your specific system.
Is 400405 still available?
400405 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026