The Keytop, cataloged under National Stock Number 5815-00-448-1665, is classified within Federal Supply Class 5815 (Teletype and Facsimile Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Keytop |
| FSC / FSG | 5815 — Teletype and Facsimile Equipment (FSG 58) |
| Manufacturers | Telemechanics Inc (CAGE 57712); Lucent Technologies Inc Corporate Headquarters (CAGE 3B4M0) |
| Parameter | Value |
|---|---|
| NSN | 5815-00-448-1665 |
| Primary Part Number | 78995 |
| Item Name | Keytop |
| FSC / FSG | 5815 / 58 — Teletype and Facsimile Equipment |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 78995 | Telemechanics Inc (USA) |
| 78995 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 78995 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 78995 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| 78995 | 5/9 Secondary reference At and T Corp |
NSN 5815-00-448-1665 is a Keytop, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5815, Teletype and Facsimile Equipment. Status: active.
NSN 5815-00-448-1665 has 2 manufacturer part numbers on file: 78995 (Telemechanics Inc), 78995 (Lucent Technologies Inc Corporate Headquarters).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-137-9323, 5340-01-656-8655. Verify interchangeability with system specifications before substitution.
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.