The Microcircuit,digital, cataloged under National Stock Number 5962-01-077-0643, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Telemechanics Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5962-01-077-0643 |
| Primary Part Number | 451173 |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Output Logic Form | TRANSISTOR-TRANSISTOR LOGIC |
| 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 |
|---|---|
| 451173 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 451173 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5962-01-077-0643 is a Microcircuit,digital, manufactured by Telemechanics Inc, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-077-0643 has 1 manufacturer part number on file: 451173 (Telemechanics Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-220-5899, 5905-01-361-4358, 5305-01-572-8171. Verify interchangeability with system specifications before substitution.
Key specifications for 451173: Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC. 1 specification is 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 5962-01-077-0643 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.