PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

637A593H01Microcircuit,memory

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5962-01-081-5338 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-081-5338 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-081-5338. Primary manufacturer part number: 637A593H01.
Features
  • Microcircuit,memory — FSC 5962
  • Body Width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
  • Terminal Surface Treatment: SOLDER
  • Terminal Type and Quantity: 18 PRINTED CIRCUIT
  • Time Rating Per Chacteristic: 85.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 85.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
  • Voltage Rating and Type Per Characteristic: 5.5 VOLTS MAXIMUM POWER SOURCE
  • Memory Capacity: UNKNOWN
  • 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 5962-01-081-5338, 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 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-081-5338
Primary Part Number637A593H01
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Body Width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Terminal Surface TreatmentSOLDER
Terminal Type and Quantity18 PRINTED CIRCUIT
Time Rating Per Chacteristic85.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 85.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Voltage Rating and Type Per Characteristic5.5 VOLTS MAXIMUM POWER SOURCE
Memory CapacityUNKNOWN
Memory Device TypeROM
Test Data Document97942-637A593 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND W/STORAGE AND PROGRAMMABLE AND PROGRAMMED AND BIPOLAR AND W/DECODED OUTPUT AND 3-STATE OUTPUT
Input Circuit Pattern12 INPUT
Inclosure MaterialCERAMIC AND GLASS
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Height0.120 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
Inclosure ConfigurationDUAL-IN-LINE
Body Length0.930 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-01-081-5339637A594H01 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5962-01-240-0496 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
583R850H02 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
637A593H01 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
637A593H01 L3harris Technologies, Inc. (USA)
B1633-2 L3harris Technologies, Inc. (USA)
ROM/PROM FAMILY 030 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5962-01-081-5339INTERCHANGEABLE
MICROCIRCUIT,MEMORY
637A594H01
5962-01-240-0496INTERCHANGEABLE
MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 5962-01-081-5338?

NSN 5962-01-081-5338 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 5962-01-081-5338?

NSN 5962-01-081-5338 has 5 cross-referenced part numbers: 583R850H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 637A593H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 637A593H01 (L3harris Technologies, Inc.), B1633-2 (L3harris Technologies, Inc.), ROM/PROM FAMILY 030 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What NSN replaces 5962-01-081-5338?

There are 2 known substitutes for 5962-01-081-5338: 5962-01-081-5339, 5962-01-240-0496. Verify interchangeability with system specifications before substitution.

What are the specifications of 637A593H01?

Key specifications for 637A593H01: Body Width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Terminal Surface Treatment: SOLDER; Terminal Type and Quantity: 18 PRINTED CIRCUIT; Time Rating Per Chacteristic: 85.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 85.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS. 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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