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474871 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

474871: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL CASE, body_width: 0.310 INCHES MAXIMUM IN, case_style: SQUARE, seal_width: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-439-2635, 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
474871
NSN: 5330-00-439-2635
NIINs: 004392635, 006253604, 012425710, 014799111
FSC: 5330 — Packing and Gasket Materials
CAGE: 45RP7 — DRESSTA NORTH AMERICA LTD (USA)
SPECIFICATIONS
materialSTEEL CASE
body_width0.310 INCHES MAXIMUM IN
case_styleSQUARE
seal_width0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
body_height0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT DEGF
features_providedMONOLITHIC AND PROGRAMMABLE AND 3-STATE OUTPUT
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
memory_device_typeROM
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
NSN5330-00-439-2635
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 474871 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 2
73888Reference document
Same NSN cross-reference
Reference document — Secondary reference
D73888Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 474871?
474871 is a MICROCIRCUIT,DIGITAL.
What parts can replace 474871?
There are 2 known substitutes for 474871: 73888, D73888. Substitute compatibility should be verified for your specific system.
What is the NSN for 474871?
474871 is cataloged in the U.S. Government catalog under NSN 5330-00-439-2635. 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.