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PartsTable / COMPONENT / 500-17899 PIECE 4
500-17899 PIECE 4 ✓ 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, thread_class: 3A A, thread_direction: RIGHT-HAND, internal_drive_style: HEXAGON, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-189-8434, 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
500-17899 PIECE 4
NSN: 5305-01-189-8434
FSC: 5305
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3A A
thread_directionRIGHT-HAND
internal_drive_styleHEXAGON
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5305-01-189-8434
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 500-17899 PIECE 4 · 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 DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
INTERNAL DRIVE STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS3A A
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
SL6253PC20Interchangeable
interchangeable cross-reference
interchangeable
17404Interchangeable
interchangeable cross-reference
interchangeable
SL5262PC57Interchangeable
interchangeable cross-reference
interchangeable
CSV17404Interchangeable
interchangeable cross-reference
interchangeable
400441Interchangeable
interchangeable cross-reference
interchangeable
40441Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500-17899 PIECE 4?
500-17899 PIECE 4 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 500-17899 PIECE 4?
There are 6 known substitutes for 500-17899 PIECE 4: SL6253PC20, 17404, SL5262PC57 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 500-17899 PIECE 4?
500-17899 PIECE 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-189-8434. 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