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Technical Data Sheet
PartsTable / COMPONENT / 198-3899
198-3899 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-706-9348, 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
198-3899
NSN: 5305-01-706-9348
FSC: 5305
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number198-3899
NSN5305-01-706-9348
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 198-3899 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
203-002-0005Interchangeable
interchangeable cross-reference
interchangeable
36C803-002Interchangeable
interchangeable cross-reference
interchangeable
SFR144SSW3G2Interchangeable
interchangeable cross-reference
interchangeable
A03758Interchangeable
Same NIIN cross-reference
interchangeable
ISO7380-1-8X20-12.9-A2RInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 198-3899?
198-3899 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 198-3899?
There are 5 known substitutes for 198-3899: 203-002-0005, 36C803-002, SFR144SSW3G2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 198-3899?
198-3899 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-706-9348. 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