The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-421-1247, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Grimes Aerospace Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 — Filters and Networks (FSG 59) |
| Manufacturers | Grimes Aerospace Company (CAGE 72914) |
| Parameter | Value |
|---|---|
| NSN | 5915-01-421-1247 |
| Primary Part Number | 55-1990-1 |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 55-1990-1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5915-01-421-1247 is a Filter,radio Frequency Interfere, manufactured by Grimes Aerospace Company, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-421-1247 has 1 manufacturer part number on file: 55-1990-1 (Grimes Aerospace Company).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-614-6285. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5915-01-421-1247 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.