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Technical Data Sheet
PartsTable / COMPONENT / 10505783
10505783 ✓ 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,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.190 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.312 INCHES MAXIMUM IN, thread_length: 0.297 INCHES MINIMUM AND 0.391 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 5305-00-177-5567, 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
10505783
NSN: 5305-00-177-5567
FSC: 5305
CAGE: 56161 — GENERAL DYNAMICS LAND SYSTEMS CANADACORP (CAN)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.190 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.312 INCHES MAXIMUM IN
thread_length0.297 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
fastener_length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
width_across_flats0.156 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.190 INCHES IN
NSN5305-00-177-5567
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10505783 · 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
•
THREAD SERIES DESIGNATOR: UNF
•
FASTENER LENGTH: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH LBS
•
HEAD DIAMETER: 0.312 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.297 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.190 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
FASTENER LENGTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
HEAD DIAMETER0.312 INCHES MAXIMUM IN
THREAD LENGTH0.297 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
HEAD HEIGHT0.190 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
73650Interchangeable
interchangeable cross-reference
interchangeable
328-0002-000Interchangeable
interchangeable cross-reference
interchangeable
328-0002-00Interchangeable
interchangeable cross-reference
interchangeable
6300798-3-6Interchangeable
interchangeable cross-reference
interchangeable
5305PL0728693Interchangeable
interchangeable cross-reference
interchangeable
73.650.500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10505783?
10505783 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 10505783?
There are 6 known substitutes for 10505783: 73650, 328-0002-000, 328-0002-00 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10505783?
10505783 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-177-5567. 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