The Breather Filter,emission Control, cataloged under National Stock Number 2990-01-439-4346, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Pacific Powertech Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2990-01-439-4346 |
| Primary Part Number | BLS-161-10-2.0 |
| Item Name | Breather Filter,emission Control |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Pacific Powertech Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| BLS-161-10-2.0 PRIMARY | Pacific Powertech Llc (USA) |
| Reference | Meaning |
|---|---|
| BLS-161-10-1.0 | C/1 Advisory reference — outside the item-of-supply concept Universal Machine Co of Pottstown Inc Universal Planetary Milling Machine Div |
| D-411-090 DQ | 5/9 Secondary reference Pacific Powertech Llc |
NSN 2990-01-439-4346 is a Breather Filter,emission Control, manufactured by Pacific Powertech Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-439-4346 has 1 manufacturer part number on file: BLS-161-10-2.0 (Pacific Powertech Llc).
Key specifications for BLS-161-10-2.0: Special Features: BREATHER/FILTERFOR POWER PACK,HYD. 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.