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6557C042 — CLAMP,HUB

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6557C042: CLAMP,HUB.

The CLAMP,HUB is a the manufacturer industrial component. Key specifications include thickness: 0.875 INCHES NOMINAL IN, outside_diameter: 4.000 INCHES NOMINAL IN, style_designator: ROUND, SINGLE BOLT SECURED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-341-7597, 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
6557C042
NSN: 3040-01-341-7597
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 36334 — INDAL TECHNOLOGIES INC (CAN)
SPECIFICATIONS
thickness0.875 INCHES NOMINAL IN
outside_diameter4.000 INCHES NOMINAL IN
style_designatorROUND, SINGLE BOLT SECURED
NSN3040-01-341-7597
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLAMP,HUB TITLE COMPONENT PN 6557C042 MFR CLAMP,HUB
KEY FEATURES
•
STYLE DESIGNATOR: ROUND, SINGLE BOLT SECURED
•
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
THICKNESS: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORROUND, SINGLE BOLT SECURED
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
THICKNESS0.875 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6557C042?
6557C042 is a CLAMP,HUB.
What is the NSN for 6557C042?
6557C042 is cataloged in the U.S. Government catalog under NSN 3040-01-341-7597. 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.