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Technical Data Sheet
PartsTable / COMPONENT / FFB575TYPE2
FFB575TYPE2 ✓ 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 material: COPPER ALLOY 655 OVERALL, head_style: HEXAGON, grip_length: 0.500 INCHES NOMINAL IN, head_height: 0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-660-3299, 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
FFB575TYPE2
NSN: 5306-00-660-3299
FSC: 5306
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 655 OVERALL
head_styleHEXAGON
grip_length0.500 INCHES NOMINAL IN
head_height0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
fastener_length1.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
NSN5306-00-660-3299
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FFB575TYPE2 · 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
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 13
•
HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
GRIP LENGTH: 0.500 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THREAD LENGTH1.250 INCHES MINIMUM IN
FEATURES PROVIDEDUNFINISHED HEAD
GRIP LENGTH0.500 INCHES NOMINAL IN
FASTENER LENGTH1.750 INCHES NOMINAL IN
HEAD STYLEHEXAGON
MATERIALCOPPER ALLOY 655 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
51142Interchangeable
interchangeable cross-reference
interchangeable
FFB575TYPE2Interchangeable
interchangeable cross-reference
interchangeable
45-11Interchangeable
interchangeable cross-reference
interchangeable
60-1073 PIECE 30Interchangeable
interchangeable cross-reference
interchangeable
160-142Interchangeable
interchangeable cross-reference
interchangeable
60-1073 PIECE 456Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB575TYPE2?
FFB575TYPE2 is a BOLT,MACHINE.
What parts can replace FFB575TYPE2?
There are 11 known substitutes for FFB575TYPE2: 51142, FFB575TYPE2, 45-11 and 8 more. Substitute compatibility should be verified for your specific system.
Is FFB575TYPE2 still available?
FFB575TYPE2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026