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BB6055 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BB6055: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3135 OR STEEL COMP 4140, thread_length: 1.000 INCHES MINIMUM NUT THREAD IN, overall_length: 2.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD, nominal_thread_size: 0.562 INCHES NUT THREAD IN, thread_quantity_per_inch: 18 NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-206-5449, 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
BB6055
NSN: 5307-00-206-5449
FSC: 5307 — Studs
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 3135 OR STEEL COMP 4140
thread_length1.000 INCHES MINIMUM NUT THREAD IN
overall_length2.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.562 INCHES NUT THREAD IN
thread_quantity_per_inch18 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-S-624 AMEND 2 FED SPEC ALL MATERIAL RESPONSES
NSN5307-00-206-5449
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BB6055 · 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: 1.000 INCHES MINIMUM NUT THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 AMEND 2 FED SPEC ALL MATERIAL RESPONSES
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.562 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH1.000 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH0.875 INCHES MINIMUM STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 AMEND 2 FED SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH2.875 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.562 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.562 INCHES STUD THREAD IN
THREAD QUANTITY PER INCH18 NUT THREAD
THREAD QUANTITY PER INCH12 STUD THREAD
SUBSTITUTES & CROSS-REFERENCES 3
365468Reference document
Same NSN cross-reference
Reference document — Secondary reference
26558MReference document
Same NSN cross-reference
Reference document — Secondary reference
696657Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BB6055?
BB6055 is a STUD,PLAIN.
What parts can replace BB6055?
There are 3 known substitutes for BB6055: 365468, 26558M, 696657. Substitute compatibility should be verified for your specific system.
What is the NSN for BB6055?
BB6055 is cataloged in the U.S. Government catalog under NSN 5307-00-206-5449. 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.