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FF-S-86TYPE 6 — Technical Data Sheet

✓ 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 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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System 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
FF-S-86TYPE 6
NSN: 5305-00-080-4480
FSC: 5305
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: FF-S-86TYPE 6 · 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
•
HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
HEAD DIAMETER: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANED IN ACCORDANCE WITH MIL-STD-767A A
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANED IN ACCORDANCE WITH MIL-STD-767A A
CRITICALITY CODE JUSTIFICATIONZZZY
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD CLASS3A A
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
12F1007-293InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12Z1007-293InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
43-S-4374-1640InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12Z1196-14InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12Z1007-217InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILS933TYPECInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-S-86TYPE 6?
FF-S-86TYPE 6 is a SCREW,CAP,SOCKET HEAD.
What parts can replace FF-S-86TYPE 6?
There are 20 known substitutes for FF-S-86TYPE 6: 12F1007-293, 12Z1007-293, 43-S-4374-1640 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-S-86TYPE 6?
FF-S-86TYPE 6 is cataloged in the Federal Logistics Information System under NSN 5305-00-080-4480. 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: October 2026