PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-S-86
FF-S-86 ✓ 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 SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include color: BLACK OVERALL, material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 OVERALL, hole_type: DRILLED, nut_style: HEXAGON, head_style: FILLISTER, nut_height: 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-001-4822, 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
NSN: 5305-00-001-4822
FSC: 5305
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 OVERALL
hole_typeDRILLED
nut_styleHEXAGON
head_styleFILLISTER
nut_height0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
head_height0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
spline_width0.089 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
thread_class3A A
chamfer_angle45.0 RADIANS MINIMUM AND 60.0 RADIANS MAXIMUM
head_diameter1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
hole_diameter0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
NSN5305-00-001-4822
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FF-S-86 · 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
•
FASTENER LENGTH: 2.940 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL OVERALL
•
LOCKING FEATURE: PELLET THREADS
•
HEAD DIAMETER: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH2.940 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL OVERALL
LOCKING FEATUREPELLET THREADS
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH20
INTERNAL DRIVE STYLEHEXAGON
NONDEFINITIVE SPEC/STD DATA6 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
NAS662C2LLR16Interchangeable
interchangeable cross-reference
interchangeable
947575-5616Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18240FInterchangeable
interchangeable cross-reference
interchangeable
NAS1189E3P14NInterchangeable
interchangeable cross-reference
interchangeable
LP5500D4-5Interchangeable
interchangeable cross-reference
interchangeable
LP57N40S5Interchangeable
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?
FF-S-86 is a SCREW,CAP,SOCKET HEAD.
What parts can replace FF-S-86?
There are 15 known substitutes for FF-S-86: NAS662C2LLR16, 947575-5616, MIL-DTL-18240F and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-S-86?
FF-S-86 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-001-4822. 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