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4B4184 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4B4184: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 2A NUT THREAD A, thread_length: 0.500 INCHES MINIMUM NUT THREAD IN, overall_length: 1.375 INCHES NOMINAL IN, hardness_rating: 24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-423-9332, 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
4B4184
NSN: 5307-00-423-9332
FSC: 5307 — Studs
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
thread_class2A NUT THREAD A
thread_length0.500 INCHES MINIMUM NUT THREAD IN
overall_length1.375 INCHES NOMINAL IN
hardness_rating24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.250 INCHES NUT THREAD IN
thread_quantity_per_inch20 STUD THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-00-423-9332
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4B4184 · 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: 0.375 INCHES MINIMUM STUD THREAD IN
•
HARDNESS RATING: 24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.250 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.375 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH0.500 INCHES MINIMUM NUT THREAD IN
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
OVERALL LENGTH1.375 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
THREAD CLASS2A STUD THREAD A
THREAD CLASS2A 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 4B4184?
4B4184 is a STUD,PLAIN.
What is the NSN for 4B4184?
4B4184 is cataloged in the U.S. Government catalog under NSN 5307-00-423-9332. 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.