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Technical Data Sheet
PartsTable / COMPONENT / 10-3845Y
10-3845Y ✓ 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: HEXAGON, head_height: 0.094 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.219 INCHES MINIMUM IN, screw_material: STEEL COMP 6150, fastener_length: 0.646 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-286-1080, 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
10-3845Y
NSN: 5305-00-286-1080
FSC: 5305
CAGE: 77820 — AMPHENOL CORP DIV AMPHENOL AEROSPACE OPERATIONS (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.094 INCHES NOMINAL IN
thread_class3A A
thread_length0.219 INCHES MINIMUM IN
screw_materialSTEEL COMP 6150
fastener_length0.646 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.233 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.125 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-286-1080
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10-3845Y · 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
•
HEAD STYLE: HEXAGON
•
THREAD LENGTH: 0.219 INCHES MINIMUM IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
FASTENER LENGTH: 0.646 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.233 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
SCREW MATERIAL: STEEL COMP 6150
•
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD LENGTH0.219 INCHES MINIMUM IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
FASTENER LENGTH0.646 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.233 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN
THREAD CLASS3A A
SCREW MATERIALSTEEL COMP 6150
THREAD QUANTITY PER INCH40
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
00288Interchangeable
interchangeable cross-reference
interchangeable
161-001Interchangeable
interchangeable cross-reference
interchangeable
636Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10-3845Y?
10-3845Y is a SCREW,MACHINE.
What parts can replace 10-3845Y?
There are 3 known substitutes for 10-3845Y: 00288, 161-001, 636. Substitute compatibility should be verified for your specific system.
What is the NSN for 10-3845Y?
10-3845Y is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-286-1080. 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