The Guard,fan Impeller, cataloged under National Stock Number 4140-01-343-1554, 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 Control Data Systems Inc Contracts Dept. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-343-1554 |
| Primary Part Number | 23233102 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Control Data Systems Inc Contracts Dept |
| Status | ACTIVE |
| Overall Diameter | 5.390 INCHES NOMINAL IN |
| Shape | ROUND |
| Body Material | STEEL |
| 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 |
|---|---|
| 23233102 PRIMARY | Control Data Systems Inc Contracts Dept (USA) |
| Reference | Meaning |
|---|---|
| 23233102 | 5/9 Secondary reference General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems |
| 0023233102 | 5/9 Secondary reference Control Data Systems Inc Contracts Dept |
NSN 4140-01-343-1554 is a Guard,fan Impeller, manufactured by Control Data Systems Inc Contracts Dept, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-343-1554 has 1 manufacturer part number on file: 23233102 (Control Data Systems Inc Contracts Dept).
Key specifications for 23233102: Overall Diameter: 5.390 INCHES NOMINAL IN; Shape: ROUND; Body Material: STEEL. 3 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.