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Technical Data Sheet
PartsTable / COMPONENT / FF-S-86,TY VI,G R 500
FF-S-86,TY VI,G R 500 ✓ 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 FF-S-86,TY VI,G R 500 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-432-9645, 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
FF-S-86,TY VI,G R 500
NSN: 5305-01-432-9645
FSC: 5305
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberFF-S-86,TY VI,G R 500
NSN5305-01-432-9645
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FF-S-86,TY VI,G R 500 · 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
•
MINIMUM TENSILE STRENGTH: 130000 POUNDS PER SQUARE INCH LBS
•
THREAD CLASS: 3A A
•
MINIMUM YIELD STRENGTH: 90000 POUNDS PER SQUARE INCH LBS
•
NONDEFINITIVE SPEC/STD DATA: 6 TYPE AND 500 GRADE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: NICKEL ALLOY K-500 OVERALL
•
WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH LBS
THREAD CLASS3A A
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH LBS
NONDEFINITIVE SPEC/STD DATA6 TYPE AND 500 GRADE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALNICKEL ALLOY K-500 OVERALL
WIDTH ACROSS FLATS0.188 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
255416Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
2640-634X1 1-2INInterchangeable
interchangeable cross-reference
interchangeable
255416 L1Interchangeable
interchangeable cross-reference
interchangeable
10-32UNRC-3AX1.125LG NICUALL1Interchangeable
interchangeable cross-reference
interchangeable
10-32UNRC-3AX1.125LG NICUALInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-S-86,TY VI,G R 500?
FF-S-86,TY VI,G R 500 is a FF-S-86,TY VI,G R 500.
What parts can replace FF-S-86,TY VI,G R 500?
There are 9 known substitutes for FF-S-86,TY VI,G R 500: 255416, 8148650, 2640-634X1 1-2IN and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-S-86,TY VI,G R 500?
FF-S-86,TY VI,G R 500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-432-9645. 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