The Breather, cataloged under National Stock Number 3040-01-552-1120, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Vescor Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-552-1120 |
| Primary Part Number | 5216 |
| Item Name | Breather |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Vescor Corp |
| Status | ACTIVE |
| Body Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5216 PRIMARY | Vescor Corp (USA) |
| Reference | Meaning |
|---|---|
| D-WK-471-56 PC4 | 5/2 Secondary reference U.S. Government activity |
| 5216 | 5/9 Secondary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
NSN 3040-01-552-1120 is a Breather, manufactured by Vescor Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-552-1120 has 1 manufacturer part number on file: 5216 (Vescor Corp).
Key specifications for 5216: Body Material: STEEL CORROSION RESISTING; Special Features: MICRON RATING: 40. BREATHER: NON-PRES. STAINLESS STEEL. GAP STYLE: STD.; Part Name Assigned by Controlling Agency: BREATHER,FILLER; End Item Identification: DOOR,WATERTIGHT,SLIDING. 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.
NSN 3040-01-552-1120 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.