The Breather, cataloged under National Stock Number 3040-01-413-3935, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Heil Environmental Industries. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-413-3935 |
| Primary Part Number | 031-989 |
| Item Name | Breather |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Heil Environmental Industries |
| Status | ACTIVE |
| Body Material | COPPER ALLOY |
| 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 |
|---|---|
| 031-989 PRIMARY | Heil Environmental Industries (USA) |
NSN 3040-01-413-3935 is a Breather, manufactured by Heil Environmental Industries, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-413-3935 has 1 manufacturer part number on file: 031-989 (Heil Environmental Industries).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-515-5406. Verify interchangeability with system specifications before substitution.
Key specifications for 031-989: Body Material: COPPER ALLOY; Special Features: WITH BRASS SCREEN; End Item Identification: TELESCOPING HOIST;HEIL CO;MODELS HPT53 AND HPT63. 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.