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278-329 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

278-329: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, thread_class: 3A NUT THREAD A, thread_length: 0.781 INCHES MAXIMUM NUT THREAD IN, overall_length: 1.950 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 5307-00-332-5565, 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
278-329
NSN: 5307-00-332-5565
FSC: 5307 — Studs
CAGE: 7EK50 — TEXTRON AVIATION INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
thread_class3A NUT THREAD A
thread_length0.781 INCHES MAXIMUM NUT THREAD IN
overall_length1.950 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.500 INCHES STUD THREAD IN
thread_pitch_diameters+0.4681 TO 0.4696 INCHES STUD THREAD IN
thread_quantity_per_inch20 STUD THREAD
thread_series_designatorUNS STUD THREAD
material_document_and_classificationMIL-S-6758,COND E-4 MIL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5307-00-332-5565
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 278-329 · 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: 0.688 INCHES MAXIMUM STUD THREAD IN
•
THREAD PITCH DIAMETERS: +0.4681 TO 0.4696 INCHES STUD 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: 0.500 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.688 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH0.781 INCHES MAXIMUM NUT THREAD IN
THREAD PITCH DIAMETERS+0.4681 TO 0.4696 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND E-4 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.950 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.500 INCHES STUD THREAD IN
SURFACE TREATMENTCADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 278-329?
278-329 is a STUD,PLAIN.
What is the NSN for 278-329?
278-329 is cataloged in the U.S. Government catalog under NSN 5307-00-332-5565. This indicates validated use in U.S. government and defense supply chains.
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