The Control,electrical Frequency, cataloged under National Stock Number 5895-01-443-8583, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Dynalec Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5895-01-443-8583 |
| Primary Part Number | TN778 |
| Item Name | Control,electrical Frequency |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JH |
| Weight | 15.0000 lbs |
| Cube | 1.8750 cu ft |
| Part Number | Manufacturer |
|---|---|
| TN778 PRIMARY | Dynalec Corporation (USA) |
| TN778 PRIMARY | Avaya Inc Dba Avaya Government Solutions (USA) |
| Reference | Meaning |
|---|---|
| TN778 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| 103557310 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| 63533 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
NSN 5895-01-443-8583 is a Control,electrical Frequency, manufactured by Dynalec Corporation, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-443-8583 has 2 manufacturer part numbers on file: TN778 (Dynalec Corporation), TN778 (Avaya Inc Dba Avaya Government Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-518-0644. Verify interchangeability with system specifications before substitution.
Key specifications for TN778: End Item Identification: MP200108 FWD EXP, DEF 75 STSS PPNCABINET. 0 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.