The Bar Assembly,retainer,air Filter, cataloged under National Stock Number 2990-00-918-5553, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Maradyne Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-918-5553 |
| Primary Part Number | E193B8K030 |
| Item Name | Bar Assembly,retainer,air Filter |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Maradyne Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | USED ON 12.000 IN. DIA AIR CLEANER,CONSISTS OF BAR,THD STUD,KNOB GRIP AND CIRCULAR END PLATE IN |
| 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 |
|---|---|
| E193B8K030 PRIMARY | Maradyne Corporation (USA) |
| Reference | Meaning |
|---|---|
| 193B8K030 | 5/9 Secondary reference United Air Filter, Inc. |
| JVA86 | 5/9 Secondary reference Baker Intl Corp Eimco Mining Machinery Intl |
| E193B8K030 | 5/9 Secondary reference Greenlees Filter Llc |
NSN 2990-00-918-5553 is a Bar Assembly,retainer,air Filter, manufactured by Maradyne Corporation, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-918-5553 has 1 manufacturer part number on file: E193B8K030 (Maradyne Corporation).
Key specifications for E193B8K030: General Characteristics Item Description: USED ON 12.000 IN. DIA AIR CLEANER,CONSISTS OF BAR,THD STUD,KNOB GRIP AND CIRCULAR END PLATE IN. 1 specification is 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.