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6121K511 — 6121K511

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6121K511: 6121K511.

The 6121K511 is a the manufacturer industrial component. Key specifications include material: STEEL, outside_diameter: 1.500 INCHES NOMINAL IN, special_features: KNURLED RIM; 0.312-18 THREADED THRU HOLE, attachment_method: HOLE, overall_thickness: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-01-503-8121, 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
6121K511
NSN: 5355-01-503-8121
FSC: 5355 — Knobs and Pointers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL
outside_diameter1.500 INCHES NOMINAL IN
special_featuresKNURLED RIM; 0.312-18 THREADED THRU HOLE
attachment_methodHOLE
overall_thickness1.000 INCHES NOMINAL IN
NSN5355-01-503-8121
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 6121K511 TITLE COMPONENT PN 6121K511 MFR 6121K511
KEY FEATURES
•
OVERALL THICKNESS: 1.000 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
ATTACHMENT METHOD: HOLE
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS1.000 INCHES NOMINAL IN
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
SPECIAL FEATURESKNURLED RIM; 0.312-18 THREADED THRU HOLE
MATERIALSTEEL
ATTACHMENT METHODHOLE
OTHER ITEMS IN FSC 5355 — Knobs and Pointers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5355-00-000-5777 5355-00-001-2029 5355-00-001-2403 5355-00-001-4109 5355-00-001-4677 5355-00-001-4724 5355-00-001-4730 5355-00-001-4734
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6121K511?
6121K511 is a 6121K511.
What is the NSN for 6121K511?
6121K511 is cataloged in the U.S. Government catalog under NSN 5355-01-503-8121. 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.