PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 6166508
6166508 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, head_style: HEXAGON, grip_length: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, head_height: 0.015 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.500 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-270-7371, 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
6166508
NSN: 5306-00-270-7371
FSC: 5306
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
head_styleHEXAGON
grip_length0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
head_height0.015 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
thread_class3A A
thread_length0.500 INCHES MINIMUM IN
fastener_length0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
NSN5306-00-270-7371
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6166508 · 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 QUANTITY PER INCH: 32
•
THREAD CLASS: 3A A
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.500 INCHES MINIMUM IN
•
FASTENER LENGTH: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
MATERIAL: STEEL COMP 1212 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5010 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH32
THREAD CLASS3A A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM IN
FASTENER LENGTH0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 1212 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5010 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
GRIP LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
HEAD HEIGHT0.015 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
10-1525Upgraded Successor
successor cross-reference
successor
26011Interchangeable
interchangeable cross-reference
interchangeable
14088753Interchangeable
interchangeable cross-reference
interchangeable
3877660Interchangeable
interchangeable cross-reference
interchangeable
10-101949-20Interchangeable
interchangeable cross-reference
interchangeable
101525AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6166508?
6166508 is a BOLT,MACHINE.
What parts can replace 6166508?
There are 8 known substitutes for 6166508: 10-1525, 26011, 14088753 and 5 more. Substitute compatibility should be verified for your specific system.
Is 6166508 still available?
6166508 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026