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FFS86TYPE6 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FFS86TYPE6: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: FLAT CHAMFER, head_height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 0.720 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-080-4480, 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
FFS86TYPE6
NSN: 5305-00-080-4480
NIINs: 000804480, 002271003, 002735557, 002735581, 008062582, 008651656, 008651659, 008663104, 009520343, 009951539, 011077994, 012652069
FSC: 5305 — Screws
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
head_styleFLAT CHAMFER
head_height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length0.720 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
fastener_length0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.312 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-00-080-4480
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FFS86TYPE6 · 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
•
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.188 INCHES NOMINAL IN
•
THREAD LENGTH: 0.188 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
FASTENER LENGTH0.188 INCHES NOMINAL IN
THREAD LENGTH0.188 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
CRITICALITY CODE JUSTIFICATIONZZZY
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
13860-46Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FFS86TYPE6?
FFS86TYPE6 is a SCREW,CAP,SOCKET HEAD.
What parts can replace FFS86TYPE6?
There is 1 known substitute for FFS86TYPE6: 13860-46. Substitute compatibility should be verified for your specific system.
What is the NSN for FFS86TYPE6?
FFS86TYPE6 is cataloged in the U.S. Government catalog under NSN 5305-00-080-4480. 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.