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404-185963 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

404-185963: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, thread_class: 3A STUD THREAD A, thread_length: 1.062 INCHES MAXIMUM STUD THREAD IN, overall_length: 4.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-434-7938, 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
404-185963
NSN: 5307-00-434-7938
FSC: 5307 — Studs
CAGE: 7EK50 — TEXTRON AVIATION INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
thread_class3A STUD THREAD A
thread_length1.062 INCHES MAXIMUM STUD THREAD IN
overall_length4.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.250 INCHES NUT THREAD IN
thread_quantity_per_inch28 NUT THREAD
thread_series_designatorUNF STUD THREAD
material_document_and_classificationMIL-S-6758,COND E-4 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5307-00-434-7938
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 404-185963 · 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: 1.062 INCHES MAXIMUM NUT THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758,COND E-4 MIL SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.250 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH1.062 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH1.062 INCHES MAXIMUM STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND E-4 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH4.875 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
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A NUT THREAD A
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 404-185963?
404-185963 is a STUD,PLAIN.
What is the NSN for 404-185963?
404-185963 is cataloged in the U.S. Government catalog under NSN 5307-00-434-7938. 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.