PartsTable
Technical Data Sheet
Download PDF

FFS86TY40.37516 UNC3AX2.500 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FFS86TY40.37516 UNC3AX2.500: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include 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, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN, thread_length: 2.101 INCHES MINIMUM AND 2.266 INCHES MAXIMUM IN, fastener_length: 2.460 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-285-4922, 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
FFS86TY40.37516 UNC3AX2.500
NSN: 5305-01-285-4922
FSC: 5305 — Screws
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
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
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
thread_length2.101 INCHES MINIMUM AND 2.266 INCHES MAXIMUM IN
fastener_length2.460 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL B MINIMUM OVERALL
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
width_across_flats0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.375 INCHES IN
NSN5305-01-285-4922
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FFS86TY40.37516 UNC3AX2.500 · 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
•
WIDTH ACROSS FLATS: 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.460 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
•
THREAD LENGTH: 2.101 INCHES MINIMUM AND 2.266 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: 4 TYPE
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN
FASTENER LENGTH2.460 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
THREAD LENGTH2.101 INCHES MINIMUM AND 2.266 INCHES MAXIMUM IN
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA4 TYPE
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH LBS
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 2
FF-S-86Reference document
Same NSN cross-reference
Reference document — Identification reference
375-16NC-3AX2.500 LGReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy FFS86TY40.37516 UNC3AX2.500?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is FFS86TY40.37516 UNC3AX2.500?
FFS86TY40.37516 UNC3AX2.500 is a SCREW,CAP,SOCKET HEAD.
What parts can replace FFS86TY40.37516 UNC3AX2.500?
There are 2 known substitutes for FFS86TY40.37516 UNC3AX2.500: FF-S-86, 375-16NC-3AX2.500 LG. Substitute compatibility should be verified for your specific system.
What is the NSN for FFS86TY40.37516 UNC3AX2.500?
FFS86TY40.37516 UNC3AX2.500 is cataloged in the U.S. Government catalog under NSN 5305-01-285-4922. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — FFS86TY40.37516 UNC3AX2.500

✓ 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.