The Microcircuit,digital, cataloged under National Stock Number 5962-01-162-0243, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is National Semiconductor Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5962-01-162-0243 |
| Primary Part Number | 54LS240DMQB |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | National Semiconductor Corporation |
| Status | ACTIVE |
| Input Circuit Pattern | 18 INPUT |
| Inclosure Material | CERAMIC |
| Design Function and Quantity | 8 BUFFER AND 8 TRANSCEIVER |
| Body Width | 0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Body Height | 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Features Provided | HERMETICALLY SEALED AND 3-STATE OUTPUT |
| Inclosure Configuration | DUAL-IN-LINE |
| Body Length | 0.930 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN |
| Output Logic Form | TRANSISTOR-TRANSISTOR LOGIC AND COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 54LS240DMQB | National Semiconductor Corporation (USA) |
| 73L009M002 | Leonardo S.p.a Land & Naval Defence Electronics Division (ITA) |
| 73L007M002 | Leonardo S.p.a Land & Naval Defence Electronics Division (ITA) |
| Reference | Meaning |
|---|---|
| 54LS240DMQB | 3/9 Design control — primary reference Fairchild Semiconductor Corp |
| 54LS240DM | 5/9 Secondary reference Fairchild Semiconductor Corp |
NSN 5962-01-162-0243 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-162-0243 has 3 manufacturer part numbers on file: 54LS240DMQB (National Semiconductor Corporation), 73L009M002 (Leonardo S.p.a Land & Naval Defence Electronics Division), 73L007M002 (Leonardo S.p.a Land & Naval Defence Electronics Division).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-188-7172. Verify interchangeability with system specifications before substitution.
Key specifications for 54LS240DMQB: Input Circuit Pattern: 18 INPUT; Inclosure Material: CERAMIC; Design Function and Quantity: 8 BUFFER AND 8 TRANSCEIVER; Body Width: 0.245 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN. 10 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.
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.