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2400291 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2400291: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140, thread_class: 2A NUT THREAD A, thread_length: 0.875 INCHES NOMINAL NUT THREAD IN, overall_length: 3.438 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.500 INCHES STUD THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-419-9003, 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
2400291
NSN: 5307-00-419-9003
FSC: 5307 — Studs
CAGE: 78222 — R. H. SHEPPARD CO., INC. DBA SHEPPARD (USA)
SPECIFICATIONS
materialSTEEL COMP 4140
thread_class2A NUT THREAD A
thread_length0.875 INCHES NOMINAL NUT THREAD IN
overall_length3.438 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.500 INCHES STUD THREAD IN
thread_pitch_diameters+0.4701 TO 0.4703 INCHES STUD THREAD IN
thread_quantity_per_inch20 STUD THREAD
thread_series_designatorUNS STUD THREAD
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5307-00-419-9003
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2400291 · 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: 0.875 INCHES NOMINAL NUT THREAD IN
•
THREAD PITCH DIAMETERS: +0.4701 TO 0.4703 INCHES STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.500 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.875 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.844 INCHES NOMINAL STUD THREAD IN
THREAD PITCH DIAMETERS+0.4701 TO 0.4703 INCHES STUD THREAD IN
OVERALL LENGTH3.438 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.500 INCHES STUD THREAD IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH20 STUD THREAD
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 2400291?
2400291 is a STUD,PLAIN.
What is the NSN for 2400291?
2400291 is cataloged in the U.S. Government catalog under NSN 5307-00-419-9003. 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.