The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-349-5320, 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 C E Niehoff & Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-349-5320 |
| Primary Part Number | N7309 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | C E Niehoff & Co |
| 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 |
|---|---|
| N7309 PRIMARY | C E Niehoff & Co (USA) |
| 2HL929 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 4140PL1947157 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2HL929 | 5/9 Secondary reference Oshkosh Corp |
| N7309 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
NSN 4140-01-349-5320 is a Impeller,fan,centrifugal, manufactured by C E Niehoff & Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-349-5320 has 2 manufacturer part numbers on file: N7309 (C E Niehoff & Co), 2HL929 (Oshkosh Defense Llc).
Key specifications for N7309: End Item Identification: 2310-01-111-2274 TRUCK,AMBULANCE; 2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM). 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.