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PartsTable / COMPONENT / 5166105
5166105 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,RING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.750 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.620 INCHES NOMINAL IN, style_designator: ROUND, CLOSED W/SHOULDER, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-068-4583, 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
5166105
NSN: 5306-01-068-4583
FSC: 5306
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.750 INCHES NOMINAL IN
thread_class3A A
thread_length0.620 INCHES NOMINAL IN
style_designatorROUND, CLOSED W/SHOULDER
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classification5166105 MFR REF SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5306-01-068-4583
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5166105 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: ROUND, CLOSED W/SHOULDER
•
THREAD CLASS: 3A A
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL DOCUMENT AND CLASSIFICATION: 5166105 MFR REF SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORROUND, CLOSED W/SHOULDER
THREAD CLASS3A A
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
MATERIAL DOCUMENT AND CLASSIFICATION5166105 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD LENGTH0.620 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
53502AUpgraded Successor
successor cross-reference
successor
SBCE2922-11NUpgraded Successor
successor cross-reference
successor
68114AUpgraded Successor
successor cross-reference
successor
5257Interchangeable
interchangeable cross-reference
interchangeable
316147Interchangeable
interchangeable cross-reference
interchangeable
A1205P276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5166105?
5166105 is a BOLT,RING.
What parts can replace 5166105?
There are 12 known substitutes for 5166105: 53502A, SBCE2922-11N, 68114A and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5166105?
5166105 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-068-4583. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026