The Telephone Terminal Subassembly, cataloged under National Stock Number 5805-01-207-8426, 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 Spencer Industries Inc. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Telephone Terminal Subassembly |
| FSC / FSG | 5805 — Telephone and Telegraph Equipment (FSG 58) |
| Manufacturers | Spencer Industries Inc (CAGE 21530); R & N Investment Properties, L.c. Dba R & N Investments Llc (CAGE 1SQD9) |
| Parameter | Value |
|---|---|
| NSN | 5805-01-207-8426 |
| Primary Part Number | SC-B-539510 |
| Item Name | Telephone Terminal Subassembly |
| FSC / FSG | 5805 / 58 — Telephone and Telegraph Equipment |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| SC-B-539510 | Spencer Industries Inc (USA) |
| SC-B-539510 | R & N Investment Properties, L.c. Dba R & N Investments Llc (USA) |
| Reference | Meaning |
|---|---|
| SC-B-539510 | 5/9 Secondary reference Radionics Technologies Inc |
| SC-B-539510 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5805-01-207-8426 is a Telephone Terminal Subassembly, manufactured by Spencer Industries Inc, classified under FSC 5805, Telephone and Telegraph Equipment. Status: active.
NSN 5805-01-207-8426 has 2 manufacturer part numbers on file: SC-B-539510 (Spencer Industries Inc), SC-B-539510 (R & N Investment Properties, L.c. Dba R & N Investments Llc).
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.