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FFS85 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FFS85: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include 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, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog 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
NIINs: 000047111, 000047178, 000055780, 000058227, 000062406, 000062407, 000062408, 000062409, 000062410, 000062411, 000066574, 000071542, 000076062, 000076064, 000083693, 000100008, 000100009, 000100023, 000100024, 000100025, 000100033, 000100041, 000100051, 000100055, 000100059, 000100109, 000100125, 000100129, 000100130, 000100138, 000100144, 000100145, 000100149, 000100151, 000100158, 000100160, 000100166, 000100175, 000106327, 000112593, 000120647, 000120667, 000120918, 000121793, 000121887, 000122065, 000122138, 000122181, 000123499, 000123527, 000123785, 000124145, 000179795, 000179819, 000179827, 000179841, 000179858, 000179866, 000179893, 000180042, 000180073, 000180121, 000180149, 000180151, 000180177, 000181614, 000181646, 000181650, 000181659, 000181670, 000181700, 000186272, 000186308, 000186309, 000186643, 000189335, 000213921, 000213930, 000215912, 000215939, 000217078, 000223740, 000223843, 000223870, 000224048, 000224339, 000224343, 000227971, 000323800, 000337756, 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FSC: 5305 — Screws
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
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
surface_finish63.0 MICROINCHES THREADS
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
•
SURFACE FINISH: 63.0 MICROINCHES THREADS
•
HEAD HEIGHT: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.000 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES THREADS
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
FASTENER LENGTH0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
THREAD LENGTH1.000 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES 3
MS35309-60Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS35309-360Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MILS933TYPEAReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FFS85?
FFS85 is a BOLT,MACHINE.
What parts can replace FFS85?
There are 3 known substitutes for FFS85: MS35309-60, MS35309-360, MILS933TYPEA. Substitute compatibility should be verified for your specific system.
What is the NSN for FFS85?
FFS85 is cataloged in the U.S. Government catalog under NSN 5305-00-004-7111. This indicates validated use in U.S. government and defense supply chains.
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