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PartsTable / COMPONENT / H12-0002-308
H12-0002-308 ✓ 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: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.518 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-333-3616, 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
H12-0002-308
NSN: 5305-01-333-3616
FSC: 5305
CAGE: 14304 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORP DIV HARRIS DEFENSE COMMUNICATIONS (USA)
SPECIFICATIONS
head_stylePAN
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length0.518 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-333-3616
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H12-0002-308 · 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
•
FASTENER LENGTH: 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD DIAMETER: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SCREW MATERIAL: COPPER ALLOY
•
THREAD LENGTH: 0.518 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SCREW MATERIALCOPPER ALLOY
THREAD LENGTH0.518 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
HEAD STYLEPAN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
21067Interchangeable
interchangeable cross-reference
interchangeable
21067-16Interchangeable
interchangeable cross-reference
interchangeable
SC-C-539491Interchangeable
interchangeable cross-reference
interchangeable
SC-D-539491Interchangeable
interchangeable cross-reference
interchangeable
SC6230-0002-1Interchangeable
interchangeable cross-reference
interchangeable
2105-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H12-0002-308?
H12-0002-308 is a SCREW,MACHINE.
What parts can replace H12-0002-308?
There are 13 known substitutes for H12-0002-308: 21067, 21067-16, SC-C-539491 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H12-0002-308?
H12-0002-308 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-333-3616. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026