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C554A9 — COLLAR,SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

C554A9: COLLAR,SHAFT.

The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thickness: 0.594 INCHES NOMINAL IN, bore_diameter: 0.7500 INCHES NOMINAL IN, outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: PLAIN ROUND, surface_treatment: CHROMATE ZINC AND PAINT. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-157-9601, 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
C554A9
NSN: 3040-00-157-9601
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 0A0U6 — TOASTMASTER INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thickness0.594 INCHES NOMINAL IN
bore_diameter0.7500 INCHES NOMINAL IN
outside_diameter2.000 INCHES NOMINAL IN
style_designatorPLAIN ROUND
surface_treatmentCHROMATE ZINC AND PAINT
securing_hole_quantity3
NSN3040-00-157-9601
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,SHAFT TITLE COMPONENT PN C554A9 MFR COLLAR,SHAFT
KEY FEATURES
•
STYLE DESIGNATOR: PLAIN ROUND
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
SECURING HOLE QUANTITY: 3
•
SURFACE TREATMENT: CHROMATE ZINC AND PAINT
•
BORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
THICKNESS: 0.594 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN ROUND
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
SECURING HOLE QUANTITY3
SURFACE TREATMENTCHROMATE ZINC AND PAINT
BORE DIAMETER0.7500 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
THICKNESS0.594 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 1
495751Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C554A9?
C554A9 is a COLLAR,SHAFT.
What parts can replace C554A9?
There is 1 known substitute for C554A9: 495751. Substitute compatibility should be verified for your specific system.
What is the NSN for C554A9?
C554A9 is cataloged in the U.S. Government catalog under NSN 3040-00-157-9601. 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.