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121A3MA — 121A3MA

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

121A3MA: 121A3MA.

The 121A3MA is a the manufacturer industrial component. Key specifications include outside_diameter: 1.255 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.703 INCHES NOMINAL IN, gripping_surface_condition: GRIP AID. This part is cataloged in the U.S.

Government catalog under NSN 5355-01-340-6451, 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
121A3MA
NSN: 5355-01-340-6451
FSC: 5355 — Knobs and Pointers
CAGE: 23480 — ELECTRONIC HARDWARE CORP DBA ELECTRONIC HARDWARE CORP (USA)
SPECIFICATIONS
outside_diameter1.255 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.703 INCHES NOMINAL IN
gripping_surface_conditionGRIP AID
NSN5355-01-340-6451
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 121A3MA TITLE COMPONENT PN 121A3MA MFR 121A3MA
KEY FEATURES
•
OVERALL THICKNESS: 0.703 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 1.255 INCHES NOMINAL IN
•
GRIPPING SURFACE CONDITION: GRIP AID
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.703 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OUTSIDE DIAMETER1.255 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONGRIP AID
COLORBLACK
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121A3MA?
121A3MA is a 121A3MA.
What is the NSN for 121A3MA?
121A3MA is cataloged in the U.S. Government catalog under NSN 5355-01-340-6451. 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.