The Telephone Set, cataloged under National Stock Number 5805-01-422-5201, is classified within Federal Supply Class 5805 (Telephone and Telegraph Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Nortel Networks Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5805-01-422-5201 |
| Primary Part Number | B0235012 |
| Item Name | Telephone Set |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Manufacturer | Nortel Networks Inc |
| Status | ACTIVE |
| Style Designator | PUSH BUTTON, WITH BUTTONS FOR SPECIAL FUNCTIONS |
| Color | BEIGE COVER |
| 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 |
|---|---|
| B0235012 | Nortel Networks Inc (USA) |
| Reference | Meaning |
|---|---|
| B0235012 | 5/9 Secondary reference Northern Telecom Inc Telco Group |
| NT4X31-EA | 5/9 Secondary reference Northern Telecom Inc Telco Group |
| M5112 | 5/9 Secondary reference Northern Telecom Defence Systems |
| M5112 | 5/9 Secondary reference Northern Telecom Inc Federal Systems Div |
| M5112 | 3/9 Design control — primary reference Northern Telecom Inc Telco Group |
NSN 5805-01-422-5201 is a Telephone Set, manufactured by Nortel Networks Inc, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
NSN 5805-01-422-5201 has 1 manufacturer part number on file: B0235012 (Nortel Networks Inc).
Key specifications for B0235012: Style Designator: PUSH BUTTON, WITH BUTTONS FOR SPECIAL FUNCTIONS; Color: BEIGE COVER; Special Features: MULTIPLE LINE, 10 PROGRAMMABLE KEYS, INTEGRATED HANDSFREE, 12 LCD INDICATORS, HOLD AND RELEASE BUTTONS, ADJUSTABLE VOLUME CONTROL, INTEGRATED SPEAKER FOR ON-HOOK DIALLING, DESK STYLE, MANUFACTURER CALLS COLOR ASH. 2 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.