The Guard,fan Impeller, cataloged under National Stock Number 4140-01-303-9489, 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 Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-303-9489 |
| Primary Part Number | 5190335 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 5190335 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4140PL0962241 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5190335 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-01-303-9489 is a Guard,fan Impeller, manufactured by Naval Sea Systems Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-303-9489 has 1 manufacturer part number on file: 5190335 (Naval Sea Systems Command).
Key specifications for 5190335: Special Features: STAINLESS STEEL RING W/SCREEN;RING DIA 7.94 IN.;SCREEN DIA 7.00 IN.DIA;4 0.177 IN.DIA HOLES W/0.320 IN.COUNTERBORE EQUALLY SPACED ON A 2.500 IN.DIA BOLT CIRCLE; IN. 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.