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PartsTable / COMPONENT / PK64A8-6
PK64A8-6 ✓ 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,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND, head_height: 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, head_diameter: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-9438, 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
PK64A8-6
NSN: 5305-00-206-9438
FSC: 5305
CAGE: 45722 — USM CORP SUB OF EMHART INDUSTRIES INC PARKER-KALON FASTENER DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND
head_height0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
head_diameter0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
fastener_length0.375 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
internal_drive_styleSLOT
nonmachine_thread_styleGIMLET POINT (TYPE A, AB OR BA)
nondefinitive_spec/std_dataA TYPE AND 1S STYLE
nonmachine_nominal_thread_diameter0.168 INCHES IN
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5305-00-206-9438
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PK64A8-6 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.168 INCHES IN
•
HEAD HEIGHT: 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1S STYLE
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
HEAD STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NONMACHINE NOMINAL THREAD DIAMETER0.168 INCHES IN
HEAD HEIGHT0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1S STYLE
FASTENER LENGTH0.375 INCHES NOMINAL IN
HEAD STYLEROUND
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD DIAMETER0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
FF-S-107CInterchangeable
interchangeable cross-reference
interchangeable
80X658Interchangeable
interchangeable cross-reference
interchangeable
143189Interchangeable
interchangeable cross-reference
interchangeable
FFS107TYPEASTYLE1SInterchangeable
interchangeable cross-reference
interchangeable
144701Interchangeable
interchangeable cross-reference
interchangeable
FF-S-107 TYPE ABInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PK64A8-6?
PK64A8-6 is a SCREW,TAPPING.
What parts can replace PK64A8-6?
There are 8 known substitutes for PK64A8-6: FF-S-107C, 80X658, 143189 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PK64A8-6?
PK64A8-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-9438. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026