PartsTable
Technical Data Sheet
FFS85 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include color: YELLOW OR BRONZE OR OLIVE DRAB OVERALL, material: STEEL OVERALL, hole_type: DRILLED, head_style: HEXAGON, grip_length: 1.750 INCHES NOMINAL IN, head_height: 0.455 INCHES MINIMUM AND 0.483 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 5305-00-004-7111, 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
FFS85
NSN: 5305-00-004-7111
FSC: 5305
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
colorYELLOW OR BRONZE OR OLIVE DRAB OVERALL
materialSTEEL OVERALL
hole_typeDRILLED
head_styleHEXAGON
grip_length1.750 INCHES NOMINAL IN
head_height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
hole_diameter0.092 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
hole_quantity1
thread_length1.500 INCHES NOMINAL IN
screw_materialSTEEL
NSN5305-00-004-7111
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FFS85 · 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
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
MINIMUM YIELD STRENGTH: 27000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
SURFACE FINISH: 63.0 MICROINCHES THREADS
MATERIAL: COPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL
WIDTH BETWEEN FLATS: 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.375 INCHES IN
MINIMUM YIELD STRENGTH27000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE FINISH63.0 MICROINCHES THREADS
MATERIALCOPPER ALLOY 462 OR COPPER ALLOY 464 OVERALL
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
THREAD LENGTH1.000 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MS35309-60Interchangeable
interchangeable cross-reference
interchangeable
5305005274965Interchangeable
interchangeable cross-reference
interchangeable
MILS933TYPEAInterchangeable
interchangeable cross-reference
interchangeable
MS35309-360Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFS85?
FFS85 is a BOLT,MACHINE.
What parts can replace FFS85?
There are 4 known substitutes for FFS85: MS35309-60, 5305005274965, MILS933TYPEA and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFS85?
FFS85 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-004-7111. This indicates validated use in U.S. government and defense supply chains.
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