The Breather, cataloged under National Stock Number 2810-00-147-1497, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Satair A/s. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components (FSG 28) |
| Manufacturers | Satair A/s (CAGE R1120) |
| Parameter | Value |
|---|---|
| NSN | 2810-00-147-1497 |
| Primary Part Number | 74921 |
| Item Name | Breather |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 74921 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 74921 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2810-00-147-1497 is a Breather, manufactured by Satair A/s, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-147-1497 has 1 manufacturer part number on file: 74921 (Satair A/s).
2 possible matches (shared part number, not a government interchangeability claim): 5945-00-774-9253, 2915-00-991-0983. Verify interchangeability with system specifications before substitution.
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.