The Microcircuit,memory, cataloged under National Stock Number 5962-01-349-6973, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-349-6973 |
| Primary Part Number | 258-0119-042 |
| Item Name | Microcircuit,memory |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Input Circuit Pattern | 14 INPUT |
| Inclosure Material | CERAMIC |
| Terminal Surface Treatment | SOLDER |
| Body Width | 0.560 INCHES MAXIMUM IN |
| Body Height | 0.110 INCHES MAXIMUM IN |
| Features Provided | MONOLITHIC AND ELECTROSTATIC SENSITIVE AND ULTRAVIOLET ERASABLE |
| Inclosure Configuration | LEADED CHIP CARRIER |
| Memory Device Type | EPROM |
| Body Length | 0.560 INCHES MAXIMUM IN |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Output Logic Form | COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC |
| Voltage Rating and Type Per Characteristic | 5.5 VOLTS MAXIMUM INPUT |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Terminal Type and Quantity | 32 J-HOOK |
| Time Rating Per Chacteristic | 20.00 NANOSECONDS MAXIMUM FALL 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 |
|---|---|
| 258-0119-042 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| MR27C256-25/B | 5/1 Secondary reference Sst Components, Inc. Dba Vpt Components |
| ROM/PROM | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| MR27C256-25/B | 5/1 Secondary reference Micrel Inc |
NSN 5962-01-349-6973 is a Microcircuit,memory, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-349-6973 has 1 manufacturer part number on file: 258-0119-042 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 258-0119-042: Input Circuit Pattern: 14 INPUT; Inclosure Material: CERAMIC; Terminal Surface Treatment: SOLDER; Body Width: 0.560 INCHES MAXIMUM IN. 15 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 5962-01-349-6973 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.