The Breather, cataloged under National Stock Number 2520-01-197-8989, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Atlas Polar Company Limited Div Atlas Polar Company Ltd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Breather |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | General Dynamics Land Systems Canadacorp (CAGE 56161); Atlas Polar Company Limited Div Atlas Polar Company Ltd (CAGE 36513) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-197-8989 |
| Primary Part Number | 108-007 |
| Item Name | Breather |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Atlas Polar Company Limited Div Atlas Polar Company Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| 10524439 | General Dynamics Land Systems Canadacorp (CAN) |
| 108-007 PRIMARY | Atlas Polar Company Limited Div Atlas Polar Company Ltd (CAN) |
| Reference | Meaning |
|---|---|
| 500-761 | D/9 Drawing number reference only Atlas Polar Company Limited Div Atlas Polar Company Ltd |
NSN 2520-01-197-8989 is a Breather, manufactured by Atlas Polar Company Limited Div Atlas Polar Company Ltd, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-197-8989 has 2 manufacturer part numbers on file: 10524439 (General Dynamics Land Systems Canadacorp), 108-007 (Atlas Polar Company Limited Div Atlas Polar Company Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-546-4737. 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.
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.