The Impedance Stabilizing Group, cataloged under National Stock Number 5915-01-239-1722, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Trompeter Electronics, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5915-01-239-1722 |
| Primary Part Number | TNG3A-22 |
| Item Name | Impedance Stabilizing Group |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Trompeter Electronics, Inc. |
| Status | ACTIVE |
| Component Quantity | 2 |
| End Item Source | 80058 |
| End Item Name | COMMUNICATION |
| Usage Location | COMMUNICATIONS ZONE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TNG3A-22 PRIMARY | Trompeter Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3100-0029 | 5/9 Secondary reference Trompeter Electronics, Inc. |
| 310-0029 | 5/9 Secondary reference Trompeter Electronics, Inc. |
NSN 5915-01-239-1722 is a Impedance Stabilizing Group, manufactured by Trompeter Electronics, Inc., classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-239-1722 has 1 manufacturer part number on file: TNG3A-22 (Trompeter Electronics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-689-6274. Verify interchangeability with system specifications before substitution.
Key specifications for TNG3A-22: Component Quantity: 2; End Item Source: 80058; End Item Name: COMMUNICATION; End Item Identification: 5895-01-090-1240 COMMUNICATION. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.