The Key Top, cataloged under National Stock Number 5810-00-565-7959, is classified within Federal Supply Class 5810 (Communications Security Equipment and Components) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Telemechanics Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Key Top |
| FSC / FSG | 5810 — Communications Security Equipment and Components (FSG 58) |
| Manufacturers | Telemechanics Inc (CAGE 57712) |
| Parameter | Value |
|---|---|
| NSN | 5810-00-565-7959 |
| Primary Part Number | 131235 |
| Item Name | Key Top |
| FSC / FSG | 5810 / 58 — Communications Security Equipment and Components |
| Manufacturer | Telemechanics Inc |
| 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 |
|---|---|
| 131235 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 131235 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 131235 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| 131235 | 5/9 Secondary reference At and T Corp |
NSN 5810-00-565-7959 is a Key Top, manufactured by Telemechanics Inc, classified under FSC 5810, Communications Security Equipment and Components. Status: active.
NSN 5810-00-565-7959 has 1 manufacturer part number on file: 131235 (Telemechanics Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-146-9996, 4320-01-621-3352. 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.