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Technical Data Sheet
PartsTable / COMPONENT / A-604-1
A-604-1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN, corner_shape: SQUARE ALL CORNERS, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-646-4169, 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
A-604-1
NSN: 5950-00-646-4169
FSC: 5950
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
inclosure_typeHERMETICALLY SEALED
overall_length0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresSUPPORTS GRUMMAN A-10 AIRCRAFT
style_designatorSHOULDERED
features_providedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND EDGE TRIGGERED AND MEDIUM POWER AND MEDIUM SPEED AND W/ENABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
NSN5950-00-646-4169
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN A-604-1 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
BODY LENGTH: 4.031 INCHES NOMINAL IN
•
WINDING OPERATING VOLTAGE: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
TERMINAL TYPE AND QUANTITY: 11 THREADED HOLE
•
BODY HEIGHT: 3.125 INCHES NOMINAL IN
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
BODY WIDTH: 3.187 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
BODY LENGTH4.031 INCHES NOMINAL IN
WINDING OPERATING VOLTAGE120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TERMINAL TYPE AND QUANTITY11 THREADED HOLE
BODY HEIGHT3.125 INCHES NOMINAL IN
INCLOSURE TYPEHERMETICALLY SEALED
BODY WIDTH3.187 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
D811Interchangeable
interchangeable cross-reference
interchangeable
7578727Interchangeable
interchangeable cross-reference
interchangeable
A604-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-M-38510/163Interchangeable
interchangeable cross-reference
interchangeable
108075-01Interchangeable
interchangeable cross-reference
interchangeable
D8188PC2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-604-1?
A-604-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace A-604-1?
There are 7 known substitutes for A-604-1: D811, 7578727, A604-1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-604-1?
A-604-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-646-4169. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026