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Technical Data Sheet
PartsTable / COMPONENT / S9-2
S9-2 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 0.8820 INCHES NOMINAL IN, head_style: ROUND, head_height: 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 2A A, bore_diameter: 1.5748 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 5307-00-017-6398, 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
S9-2
NSN: 5307-00-017-6398
FSC: 5307
CAGE: 44218 — NORWALK COMPRESEER COMPANY INC DBA NORWALK COMPRESSOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.8820 INCHES NOMINAL IN
head_styleROUND
head_height0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class2A A
bore_diameter1.5748 INCHES NOMINAL IN
head_diameter0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
overall_width2.620 INCHES NOMINAL IN
thread_length0.375 INCHES MINIMUM IN
overall_height11.240 INCHES MAXIMUM IN
overall_length6.620 INCHES NOMINAL IN
screw_materialSTEEL
NSN5307-00-017-6398
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S9-2 · 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: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
THREAD QUANTITY PER INCH: 2A LOCATION NOT OTHERWISE SPECIFIED A
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
THREAD QUANTITY PER INCH2A LOCATION NOT OTHERWISE SPECIFIED A
OVERALL LENGTH0.625 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
721876Interchangeable
interchangeable cross-reference
interchangeable
K344Interchangeable
interchangeable cross-reference
interchangeable
344Interchangeable
interchangeable cross-reference
interchangeable
BM20-3Interchangeable
interchangeable cross-reference
interchangeable
3300684A0300P042Interchangeable
interchangeable cross-reference
interchangeable
BS214E02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S9-2?
S9-2 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace S9-2?
There are 9 known substitutes for S9-2: 721876, K344, 344 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S9-2?
S9-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-017-6398. 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