The Microcircuit,memory, cataloged under National Stock Number 5962-01-287-8528, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Department of the Army Hq United States Army Communications Research and Development Command. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-287-8528 |
| Primary Part Number | B4040789 |
| Item Name | Microcircuit,memory |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Department of the Army Hq United States Army Communications Research and Development Command |
| Status | ACTIVE |
| Input Circuit Pattern | 25 INPUT |
| Inclosure Material | CERAMIC |
| Terminal Surface Treatment | SOLDER |
| Body Width | 0.515 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN |
| Body Height | 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Features Provided | HERMETICALLY SEALED AND PROGRAMMABLE AND ULTRAVIOLET ERASABLE AND W/ENABLE AND BIDIRECTIONAL AND ELECTROSTATIC SENSITIVE |
| Inclosure Configuration | DUAL-IN-LINE |
| Memory Device Type | ROM |
| Body Length | 1.435 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | N-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC |
| Voltage Rating and Type Per Characteristic | -0.6 VOLTS MINIMUM POWER SOURCE AND 7.0 VOLTS MAXIMUM POWER SOURCE |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Test Data Document | 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Terminal Type and Quantity | 28 PRINTED CIRCUIT |
| Memory Capacity | UNKNOWN |
| Time Rating Per Chacteristic | 250.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 250.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L537-111-102 | Lockheed Martin Librascope Corporation (USA) |
| B4040789 PRIMARY | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| Reference | Meaning |
|---|---|
| ROM/PROM FAMILY 040 | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| DM2764-250 | 5/1 Secondary reference Seeq Technology Inc |
NSN 5962-01-287-8528 is a Microcircuit,memory, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-287-8528 has 2 manufacturer part numbers on file: L537-111-102 (Lockheed Martin Librascope Corporation), B4040789 (Department of the Army Hq United States Army Communications Research and Development Command).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-287-8529, 5962-01-287-8530. Verify interchangeability with system specifications before substitution.
Key specifications for B4040789: Input Circuit Pattern: 25 INPUT; Inclosure Material: CERAMIC; Terminal Surface Treatment: SOLDER; Body Width: 0.515 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5962-01-287-8528 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.