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6B554 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6B554: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 2A NUT THREAD A, thread_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM STUD THREAD IN, overall_length: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN, hardness_rating: 20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-423-9822, 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
6B554
NSN: 5307-00-423-9822
FSC: 5307 — Studs
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
thread_class2A NUT THREAD A
thread_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM STUD THREAD IN
overall_length1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
hardness_rating20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.500 INCHES NUT THREAD IN
thread_quantity_per_inch13 STUD THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-00-423-9822
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6B554 · 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: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM STUD THREAD IN
•
HARDNESS RATING: 20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM NUT THREAD IN
HARDNESS RATING20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
OVERALL LENGTH1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.500 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 1
6B0554Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6B554?
6B554 is a STUD,PLAIN.
What parts can replace 6B554?
There is 1 known substitute for 6B554: 6B0554. Substitute compatibility should be verified for your specific system.
What is the NSN for 6B554?
6B554 is cataloged in the U.S. Government catalog under NSN 5307-00-423-9822. 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.