The Breather, cataloged under National Stock Number 4310-01-591-2411, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Hf Group Inc Dba Hf Group Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-591-2411 |
| Primary Part Number | 9Y2988 |
| Item Name | Breather |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Hf Group Inc Dba Hf Group Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 9Y2988 PRIMARY | Hf Group Inc Dba Hf Group Inc (USA) |
NSN 4310-01-591-2411 is a Breather, manufactured by Hf Group Inc Dba Hf Group Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-591-2411 has 1 manufacturer part number on file: 9Y2988 (Hf Group Inc Dba Hf Group Inc).
Key specifications for 9Y2988: End Item Identification: U-2. 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.
NSN 4310-01-591-2411 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.