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RG121K — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

RG121K: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.260 INCHES NOMINAL IN, body_height: 0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, body_length: 0.260 INCHES NOMINAL IN, special_features: 0.070 IN. THK IN, features_provided: HERMETICALLY SEALED, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC.

This part is cataloged in the U.S. Government catalog under NSN 5962-00-454-6246, 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
RG121K
NSN: 5962-00-454-6246
NIINs: 004546246, 004615217
FSC: 5962 — Microcircuits, Electronic
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
body_width0.260 INCHES NOMINAL IN
body_height0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
body_length0.260 INCHES NOMINAL IN
special_features0.070 IN. THK IN
features_providedHERMETICALLY SEALED
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern8 INPUT
inclosure_configurationFLAT PACK
terminal_surface_treatmentSOLDER
NSN5962-00-454-6246
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN RG121K MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
INCLOSURE MATERIAL: CERAMIC
•
DESIGN FUNCTION AND QUANTITY: 1 GATE, NAND
•
BODY WIDTH: 0.260 INCHES NOMINAL IN
•
FEATURES PROVIDED: HERMETICALLY SEALED
•
INCLOSURE CONFIGURATION: FLAT PACK
•
BODY LENGTH: 0.260 INCHES NOMINAL IN
•
OPERATING TEMP RANGE: -55.0 TO 125.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS
INCLOSURE MATERIALCERAMIC
DESIGN FUNCTION AND QUANTITY1 GATE, NAND
BODY WIDTH0.260 INCHES NOMINAL IN
FEATURES PROVIDEDHERMETICALLY SEALED
INCLOSURE CONFIGURATIONFLAT PACK
BODY LENGTH0.260 INCHES NOMINAL IN
SPECIAL FEATURES0.070 IN. THK IN
OPERATING TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
SUBSTITUTES & CROSS-REFERENCES 2
SG121-02Reference document
Same NSN cross-reference
Reference document — Secondary reference
MC556FReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is RG121K?
RG121K is a MICROCIRCUIT,DIGITAL.
What parts can replace RG121K?
There are 2 known substitutes for RG121K: SG121-02, MC556F. Substitute compatibility should be verified for your specific system.
What is the NSN for RG121K?
RG121K is cataloged in the U.S. Government catalog under NSN 5962-00-454-6246. 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.