The Microcircuit,digital, cataloged under National Stock Number 5962-01-139-4252, 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 Genrad Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-139-4252 |
| Primary Part Number | 4254-0027 |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — No Item Name Available |
| Manufacturer | Genrad Inc |
| Status | ACTIVE |
| Output Logic Form | TRANSISTOR-TRANSISTOR LOGIC |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Case Outline Source and Designator | T0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL |
| Features Provided | HERMETICALLY SEALED AND MONOLITHIC AND LOW POWER AND SCHOTTKY |
| Time Rating Per Chacteristic | 13.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 13.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS |
| Body Width | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Body Length | 0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN |
| Design Function and Quantity | 3 GATE, NOR |
| Body Height | 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Storage Temp Range | -65.0 TO 150.0 CELSIUS DEGC |
| Inclosure Material | CERAMIC |
| Inclosure Configuration | DUAL-IN-LINE |
| Input Circuit Pattern | TRIPLE 3 INPUT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5962-01-139-4252 is a Microcircuit,digital, manufactured by Genrad Inc, classified under FSC 5962 (No Item Name Available). Status: active.
NSN 5962-01-139-4252 has 3 cross-referenced part numbers: 4254-0027 (Genrad Inc), 4254-0027 (Iet Labs Inc), 74LS27 (Fairchild Semiconductor Corp).
There is 1 known substitute for 5962-01-139-4252: 5962-01-035-7478. Verify interchangeability with system specifications before substitution.
Key specifications for 4254-0027: Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC; Operating Temp Range: +0.0 TO 70.0 CELSIUS DEGC; Case Outline Source and Designator: T0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL; Features Provided: HERMETICALLY SEALED AND MONOLITHIC AND LOW POWER AND SCHOTTKY. 14 total characteristics are documented in the Federal Logistics Information System.