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509-123 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

509-123: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, body_length: 0.745 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN, features_provided: MONOLITHIC, inclosure_material: CERAMIC, operating_temp_range: -40.0 TO 85.0 CELSIUS DEGC, input_circuit_pattern: 1 INPUT. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-004-6729, 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
509-123
NSN: 5330-01-004-6729
NIINs: 010046729, 010447878
FSC: 5330 — Packing and Gasket Materials
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
body_width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
body_length0.745 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
features_providedMONOLITHIC
inclosure_materialCERAMIC
operating_temp_range-40.0 TO 85.0 CELSIUS DEGC
input_circuit_pattern1 INPUT
inclosure_configurationDUAL-IN-LINE
NSN5330-01-004-6729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 509-123 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 509-123?
509-123 is a MICROCIRCUIT,DIGITAL.
What is the NSN for 509-123?
509-123 is cataloged in the U.S. Government catalog under NSN 5330-01-004-6729. 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.