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FF-B-575 — BELL CRANK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FF-B-575: BELL CRANK.

The BELL CRANK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, hole_type: DRILLED, nut_style: CASTELLATED, HEXAGON, head_style: SQUARE, nut_height: 0.275 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN, grip_length: 6.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-010-2484, 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-B-575
NSN: 5306-00-010-2484
NIINs: 000102484, 000102495, 000109177, 000109191, 000111195, 000131286, 000131303, 000186682, 000187532, 000190882, 000191846, 000191857, 000217840, 000218057, 000426920, 000426921, 000426922, 000426923, 000426924, 000426926, 000426934, 000426936, 000426937, 000426938, 000426939, 000430636, 000430637, 000432752, 000432755, 000432757, 000622711, 000622712, 000757215, 000840499, 000871624, 001412883, 001513464, 001513465, 001749462, 001749466, 001749468, 001749472, 001749473, 001749475, 001749477, 001749479, 001749483, 001749497, 001749505, 001749525, 001749526, 001749535, 001749537, 001749541, 002063436, 002064184, 002064317, 002065751, 002066090, 002069606, 002073307, 002085079, 002085101, 002085104, 002085105, 002086030, 002086046, 002088371, 002088372, 002088380, 002088381, 002088394, 002089890, 002258503, 002258516, 002264826, 002264841, 002268980, 002268989, 002269839, 002604491, 002634051, 002634055, 002634057, 002634724, 002634725, 002634726, 002634735, 002634738, 002634740, 002637313, 002637470, 002637677, 002637766, 002637768, 002637770, 002637771, 002637772, 002661277, 002661338, 002661347, 002685779, 002685784, 002685798, 002685871, 002685960, 002707419, 002707420, 002707424, 002707426, 002707427, 002707428, 002709338, 002709417, 002709464, 002712284, 002712289, 002724805, 002724867, 002741356, 002741357, 002759757, 002759788, 002759801, 002768209, 002824283, 002824285, 002829603, 002829646, 002923704, 002925881, 002925883, 002928850, 002978700, 002978720, 002978753, 002984689, 002992341, 002992343, 002992345, 002992366, 002992367, 002992368, 002992369, 002992370, 002992371, 002992373, 002992376, 002992377, 002992378, 002992379, 002992380, 002992381, 002992383, 003794569, 004131752, 004250607, 004725407, 004770230, 004842437, 004988025, 005147840, 005147842, 005147843, 005147854, 005147866, 005147880, 005147883, 005149536, 005149587, 005149588, 005149613, 005149615, 005149727, 005149728, 005149729, 005149730, 005149731, 005159297, 005274594, 005274603, 005274956, 005274991, 005275570, 005378198, 005432122, 005432165, 005432176, 005432181, 005432197, 005432245, 005435468, 005435469, 005435472, 005435483, 005501547, 005503023, 005503110, 005503686, 005503690, 005503693, 005503696, 005503697, 005503710, 005503711, 005503719, 005505027, 005505028, 005505029, 005505030, 005505032, 005585419, 005588360, 005794278, 005848411, 005907861, 006192372, 006370789, 006378557, 006378768, 006379824, 006382655, 006387253, 006556130, 006556166, 006557458, 006557462, 006559967, 006601952, 006602117, 006602343, 006602560, 006602566, 006602683, 006602745, 006602755, 006603285, 006603338, 006603347, 006804855, 006806162, 006807219, 006807260, 006825598, 007215887, 008437817, 008659573, 008808697, 008848783, 008848784, 008848785, 008848786, 008848787, 008865749, 008865920, 008865955, 009022020, 009521684, 009521685, 009521686, 009580621, 009580625, 009580629, 009583727, 009590790, 009590793, 009597791, 009597808, 009597809, 009597813, 009597816, 009597817, 009597818, 009597823, 009597827, 009597829, 009597831, 009640963, 009640964, 009640966, 009640971, 009640972, 009640973, 009640975, 009640976, 009641388, 009657118, 010178887, 010365531, 010702053, 011172383, 011632421, 011942981, 011942999, 011943000, 011984146, 012013790, 012099285, 012667309, 012698690, 012760833, 012806685, 013925115, 013925134, 015735754
FSC: 5306 — Bolts
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
hole_typeDRILLED
nut_styleCASTELLATED, HEXAGON
head_styleSQUARE
nut_height0.275 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
grip_length6.000 INCHES NOMINAL IN
head_height0.628 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN
thread_class2A A
hole_diameter0.070 INCHES NOMINAL IN
hole_quantity1
thread_length6.250 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-010-2484
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FF-B-575 · 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: 0.476 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.750 INCHES MINIMUM IN
•
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: SQUARE
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.476 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
THREAD LENGTH1.750 INCHES MINIMUM IN
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
102484Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FF-B-575?
FF-B-575 is a BELL CRANK.
What parts can replace FF-B-575?
There is 1 known substitute for FF-B-575: 102484. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-575?
FF-B-575 is cataloged in the U.S. Government catalog under NSN 5306-00-010-2484. This indicates validated use in U.S. government and defense supply chains.
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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.