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231568 — GEAR,BEVEL GEAR BO,

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

231568: GEAR,BEVEL GEAR BO,.

The GEAR,BEVEL GEAR BO, is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140, thread_class: 2A NUT THREAD B A, thread_length: 0.812 INCHES MINIMUM NUT THREAD B IN, overall_length: 12.438 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD B, nominal_thread_size: 0.500 INCHES NUT THREAD B IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-274-8106, 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
231568
NSN: 5306-00-274-8106
NIINs: 002748106, 008688846
FSC: 5306 — Bolts
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL COMP 4140
thread_class2A NUT THREAD B A
thread_length0.812 INCHES MINIMUM NUT THREAD B IN
overall_length12.438 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD B
nominal_thread_size0.500 INCHES NUT THREAD B IN
thread_quantity_per_inch13 NUT THREAD A
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD A
material_document_and_classificationQQ-S-752,COND F,FIN. 4 FED SPEC SINGLE MATERIAL RESPONSE
NSN5306-00-274-8106
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 231568 · 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: 0.750 INCHES MINIMUM NUT THREAD A IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-752,COND F,FIN. 4 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD A
•
NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD A IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.750 INCHES MINIMUM NUT THREAD A IN
THREAD LENGTH0.812 INCHES MINIMUM NUT THREAD B IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-752,COND F,FIN. 4 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH12.438 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD A
THREAD DIRECTIONRIGHT-HAND NUT THREAD B
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD A IN
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD B IN
THREAD CLASS2A NUT THREAD A A
THREAD CLASS2A NUT THREAD B A
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 231568?
231568 is a GEAR,BEVEL GEAR BO,.
What is the NSN for 231568?
231568 is cataloged in the U.S. Government catalog under NSN 5306-00-274-8106. 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.