The Guard,fan Impeller, cataloged under National Stock Number 4140-01-673-8395, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Hydraulics International, Inc. Dba Hydraulics International Inc (CAGE 56529) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-673-8395 |
| Primary Part Number | 040505-138 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 040505-138 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 040505-137 ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept Hydraulics International, Inc. Dba Hydraulics International Inc |
NSN 4140-01-673-8395 is a Guard,fan Impeller, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-673-8395 has 1 manufacturer part number on file: 040505-138 (Hydraulics International, Inc. Dba Hydraulics International Inc).
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.