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Technical Data Sheet
PartsTable / COMPONENT / 1A7915
1A7915 ✓ 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: 0.568 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN, thread_length: 0.500 INCHES MINIMUM IN, screw_material: STEEL, fastener_length: 0.656 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-272-4103, 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
1A7915
NSN: 5305-00-272-4103
FSC: 5305
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.568 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
thread_length0.500 INCHES MINIMUM IN
screw_materialSTEEL
fastener_length0.656 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle60.0 DEGREES NOMINAL
internal_drive_styleSLOT
nominal_thread_diameter0.375 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch16
NSN5305-00-272-4103
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1A7915 · 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
•
COUNTERSINK ANGLE: 60.0 DEGREES NOMINAL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD CLASS: 2A A
•
FASTENER LENGTH: 0.656 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 16
•
THREAD LENGTH: 0.500 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
COUNTERSINK ANGLE60.0 DEGREES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD STYLEFLAT COUNTERSUNK
THREAD CLASS2A A
FASTENER LENGTH0.656 INCHES NOMINAL IN
THREAD QUANTITY PER INCH16
THREAD LENGTH0.500 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.568 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
6433Interchangeable
interchangeable cross-reference
interchangeable
DI0137-04Interchangeable
interchangeable cross-reference
interchangeable
20-150-3013-2Interchangeable
interchangeable cross-reference
interchangeable
14153Interchangeable
interchangeable cross-reference
interchangeable
23706Interchangeable
interchangeable cross-reference
interchangeable
R14153Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A7915?
1A7915 is a SCREW,MACHINE.
What parts can replace 1A7915?
There are 20 known substitutes for 1A7915: 6433, DI0137-04, 20-150-3013-2 and 17 more. Substitute compatibility should be verified for your specific system.
Is 1A7915 still available?
1A7915 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