The Emi Filter Mmws, cataloged under National Stock Number 5915-01-549-9291, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Emi Filter Mmws |
| FSC / FSG | 5915 — Filters and Networks (FSG 59) |
| Manufacturers | Lockheed Martin Corporation Div Rms - Manassas (CAGE 52088) |
| Parameter | Value |
|---|---|
| NSN | 5915-01-549-9291 |
| Primary Part Number | B1139 |
| Item Name | Emi Filter Mmws |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| B1139 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| Reference | Meaning |
|---|---|
| 7396347-03 | 5/2 Secondary reference U.S. Government activity |
| B1139 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-01-549-9291 is a Emi Filter Mmws, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-549-9291 has 1 manufacturer part number on file: B1139 (Lockheed Martin Corporation Div Rms - Manassas).
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.