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Technical Data Sheet
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S8-55 — SHAFT,STRAIGHT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S8-55: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT, GALAXY C-5, part_name_assigned_by_controlling_agency: BUSHING. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-237-6249, 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
S8-55
NSN: 3040-01-237-6249
NIINs: 012376249, 015777149
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT, GALAXY C-5
part_name_assigned_by_controlling_agencyBUSHING
NSN3040-01-237-6249
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,STRAIGHT TITLE COMPONENT PN S8-55 MFR SHAFT,STRAIGHT
KEY FEATURES
•
SURFACE FINISH: 12.0 MICROINCHES
•
FIRST END DIAMETER: 0.4997 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
END SIMILARITY: IDENTICAL
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SURFACE FINISH12.0 MICROINCHES
FIRST END DIAMETER0.4997 INCHES NOMINAL IN
FIRST END STYLEPLAIN
OVERALL LENGTH5.500 INCHES NOMINAL IN
END SIMILARITYIDENTICAL
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
G8-44Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S8-55?
S8-55 is a SHAFT,STRAIGHT.
What parts can replace S8-55?
There is 1 known substitute for S8-55: G8-44. Substitute compatibility should be verified for your specific system.
What is the NSN for S8-55?
S8-55 is cataloged in the U.S. Government catalog under NSN 3040-01-237-6249. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.