PartsTable
Technical Data Sheet
AN505C8-6 ✓ 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 SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.300 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, thread_length: 0.244 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-282-3234, 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
AN505C8-6
NSN: 5305-00-282-3234
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.300 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
thread_length0.244 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch32
NSN5305-00-282-3234
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN505C8-6 · 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 CLASS: 2A A
SCREW SURFACE TREATMENT: PASSIVATE
SCREW MATERIAL: STEEL CORROSION RESISTING
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE: SLOT
THREAD LENGTH: 0.244 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2A A
SCREW SURFACE TREATMENTPASSIVATE
SCREW MATERIALSTEEL CORROSION RESISTING
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLESLOT
THREAD LENGTH0.244 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
HEAD STYLEFLAT COUNTERSUNK
THREAD QUANTITY PER INCH32
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FFS92ANDTYPE1ANDSTYLE2Interchangeable
interchangeable cross-reference
interchangeable
AN505-3-5Interchangeable
interchangeable cross-reference
interchangeable
AN505-3-4Interchangeable
interchangeable cross-reference
interchangeable
8051Interchangeable
interchangeable cross-reference
interchangeable
AN510DD6-24Interchangeable
interchangeable cross-reference
interchangeable
AN510C10-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN505C8-6?
AN505C8-6 is a SCREW,MACHINE.
What parts can replace AN505C8-6?
There are 13 known substitutes for AN505C8-6: FFS92ANDTYPE1ANDSTYLE2, AN505-3-5, AN505-3-4 and 10 more. Substitute compatibility should be verified for your specific system.
Is AN505C8-6 still available?
AN505C8-6 is currently cancelled.
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