The Guard,fan Impeller, cataloged under National Stock Number 4140-01-425-5555, 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 Northstock, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-425-5555 |
| Primary Part Number | 3H32735-2 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Northstock, 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 |
|---|---|
| 3H32735-2 PRIMARY | Northstock, Inc. (USA) |
| PL HS-18 ITEM 10 | Modine Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| PL HS-18 ITEM 10 | 5/9 Secondary reference Modine Mfg Co |
| 3H32735C | 3/9 Design control — primary reference Modine Mfg Co |
NSN 4140-01-425-5555 is a Guard,fan Impeller, manufactured by Northstock, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-425-5555 has 2 manufacturer part numbers on file: 3H32735-2 (Northstock, Inc.), PL HS-18 ITEM 10 (Modine Manufacturing Co).
Key specifications for 3H32735-2: Special Features: RECTANGULAR W/ROUNED EDGES; 9 IN. HIGH IN; End Item Identification: HORIZONTAL DELIVERY STEAM/HOT WATER UNIT HEATER, MODINE MFG COMPANY; MODEL HS-18. 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.
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.