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Technical Data Sheet
PartsTable / COMPONENT / 2447158-505
2447158-505 ✓ 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 COMP 431 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.437 INCHES MINIMUM IN, fastener_length: 3.125 INCHES NOMINAL 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 5305-00-576-1482, 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
2447158-505
NSN: 5305-00-576-1482
FSC: 5305
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 431 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.437 INCHES MINIMUM IN
fastener_length3.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
surface_treatmentPASSIVATE HEAD
width_across_flats0.157 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
NSN5305-00-576-1482
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2447158-505 · 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
•
SURFACE TREATMENT: PASSIVATE HEAD
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD STYLE: FLAT COUNTERSUNK
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: STEEL COMP 431 OVERALL
•
THREAD QUANTITY PER INCH: 28
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE HEAD
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCHROMIUM GRIP
HEAD STYLEFLAT COUNTERSUNK
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL COMP 431 OVERALL
THREAD QUANTITY PER INCH28
HEAD DIAMETER0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
THREAD LENGTH0.437 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
401640Interchangeable
interchangeable cross-reference
interchangeable
V/EA1004-1CInterchangeable
interchangeable cross-reference
interchangeable
DMS 80015BInterchangeable
interchangeable cross-reference
interchangeable
DMS 80018BInterchangeable
interchangeable cross-reference
interchangeable
TMS3003LRInterchangeable
interchangeable cross-reference
interchangeable
C1004-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2447158-505?
2447158-505 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 2447158-505?
There are 7 known substitutes for 2447158-505: 401640, V/EA1004-1C, DMS 80015B and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2447158-505?
2447158-505 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-576-1482. 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