PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581R504H15Microcircuit,memory

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5962-01-146-1854 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-146-1854 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-146-1854. Primary manufacturer part number: 581R504H15.
Features
  • Microcircuit,memory — FSC 5962
  • Inclosure Material: CERAMIC
  • Inclosure Configuration: DUAL-IN-LINE
  • Voltage Rating and Type Per Characteristic: 7.0 VOLTS MAXIMUM POWER SOURCE
  • Case Outline Source and Designator: D-6 MIL-M-38510
  • Test Data Document: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
  • Time Rating Per Chacteristic: 80.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 80.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
  • Memory Device Type: ROM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-146-1854, is classified within Federal Supply Class 5962 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-146-1854
Primary Part Number581R504H15
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Inclosure MaterialCERAMIC
Inclosure ConfigurationDUAL-IN-LINE
Voltage Rating and Type Per Characteristic7.0 VOLTS MAXIMUM POWER SOURCE
Case Outline Source and DesignatorD-6 MIL-M-38510
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Time Rating Per Chacteristic80.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 80.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Memory Device TypeROM
Terminal Type and Quantity18 PRINTED CIRCUIT
Terminal Surface TreatmentSOLDER
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Features ProvidedPROGRAMMABLE AND BIPOLAR AND W/ENABLE AND HERMETICALLY SEALED
Input Circuit Pattern12 INPUT
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Length0.960 INCHES MAXIMUM IN
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Body Height0.185 INCHES MAXIMUM IN
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-01-051-2113HM1-7643-8 INTERCHANGEABLE
Microcircuit,digital
Renesas Electronics America Inc
5962-01-099-638321008-05 INTERCHANGEABLE
Microcircuit,memory
L3 Technologies, Inc. Div Communication Systems-West
5962-01-139-072921676-03 INTERCHANGEABLE
Microcircuit,memory
L3 Technologies, Inc. Div Communication Systems-West
5962-01-139-321021676-00 INTERCHANGEABLE
Microcircuit,memory
L3 Technologies, Inc. Div Communication Systems-West
5962-01-139-321121676-01 INTERCHANGEABLE
Microcircuit,memory
L3 Technologies, Inc. Div Communication Systems-West
5962-01-139-321221676-02 INTERCHANGEABLE
Microcircuit,memory
L3 Technologies, Inc. Div Communication Systems-West
5962-01-146-1333 INTERCHANGEABLE
Microcircuit,memory
5962-01-146-2022 INTERCHANGEABLE
Microcircuit,memory
5962-01-146-2023 INTERCHANGEABLE
Microcircuit,memory
5962-01-146-2027 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
581R504H15 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
640A560H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
HM1-7643-8 Renesas Electronics America Inc (USA)
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
82S137/BVA Philips Semiconductors Inc (USA)
640A560H01 Northrop Grumman Support Services Corp (USA)
Related Parts
5962-01-051-2113INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
HM1-7643-8
5962-01-099-6383INTERCHANGEABLE
MICROCIRCUIT,MEMORY
21008-05
5962-01-139-0729INTERCHANGEABLE
MICROCIRCUIT,MEMORY
21676-03
5962-01-139-3210INTERCHANGEABLE
MICROCIRCUIT,MEMORY
21676-00
5962-01-139-3211INTERCHANGEABLE
MICROCIRCUIT,MEMORY
21676-01
5962-01-139-3212INTERCHANGEABLE
MICROCIRCUIT,MEMORY
21676-02
5962-01-146-1333INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-146-2022INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-146-2023INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-146-2027INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-162-8103INTERCHANGEABLE
MICROCIRCUIT,MEMORY
21676-07
5962-01-162-8104INTERCHANGEABLE
MICROCIRCUIT,MEMORY
21676-08

Frequently Asked Questions

What is NSN 5962-01-146-1854?

NSN 5962-01-146-1854 is a Microcircuit,memory, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-146-1854?

NSN 5962-01-146-1854 has 6 cross-referenced part numbers: 581R504H15 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 640A560H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), HM1-7643-8 (Renesas Electronics America Inc), ROM/PROM (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 82S137/BVA (Philips Semiconductors Inc) and 1 more.

What NSN replaces 5962-01-146-1854?

There are 12 known substitutes for 5962-01-146-1854: 5962-01-051-2113, 5962-01-099-6383, 5962-01-139-0729 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 581R504H15?

Key specifications for 581R504H15: Inclosure Material: CERAMIC; Inclosure Configuration: DUAL-IN-LINE; Voltage Rating and Type Per Characteristic: 7.0 VOLTS MAXIMUM POWER SOURCE; Case Outline Source and Designator: D-6 MIL-M-38510. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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