PartsTable
Technical Data Sheet
343-2644-00 ✓ 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: PAN, head_height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_length: 1.375 INCHES MAXIMUM IN, screw_material: STEEL COMP 430. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-680-9515, 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
343-2644-00
NSN: 5305-00-680-9515
FSC: 5305
CAGE: 95105 — ROCKWELL COLLINS, INC. DIV COLLINS AEROSPACE - MISSION SYSTEMS (USA)
SPECIFICATIONS
head_stylePAN
head_height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_length1.375 INCHES MAXIMUM IN
screw_materialSTEEL COMP 430
fastener_length1.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch40
NSN5305-00-680-9515
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 343-2644-00 · 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
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIAL: STEEL COMP 430
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 40
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
HEAD HEIGHT: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 430
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
HEAD STYLEPAN
FASTENER LENGTH1.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
GGG-F-325 TY18CL4Interchangeable
interchangeable cross-reference
interchangeable
A-A-2321Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-325Interchangeable
interchangeable cross-reference
interchangeable
208Interchangeable
interchangeable cross-reference
interchangeable
2012-T 24Interchangeable
interchangeable cross-reference
interchangeable
11416Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 343-2644-00?
343-2644-00 is a SCREW,MACHINE.
What parts can replace 343-2644-00?
There are 19 known substitutes for 343-2644-00: GGG-F-325 TY18CL4, A-A-2321, GGG-F-325 and 16 more. Substitute compatibility should be verified for your specific system.
Is 343-2644-00 still available?
343-2644-00 is currently cancelled.
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