The Guard,fan Impeller, cataloged under National Stock Number 4140-01-356-5614, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-356-5614 |
| Primary Part Number | G453545-1 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Overall Diameter | 4.540 INCHES NOMINAL IN |
| Mounting Method | MACHINE SCREW |
| Shape | ROUND |
| Body Material | STEEL WIRE CLOTH |
| Surface Treatment | ZINC |
| 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 |
|---|---|
| G453545-1 | Raytheon Company (USA) |
| G453545-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| G453545-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| B-22662 | C/1 Advisory reference — outside the item-of-supply concept Merrill Tool and Machine Co |
| G453545-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| G453545 | D/9 Drawing number reference only Raytheon Company Div Corp |
NSN 4140-01-356-5614 is a Guard,fan Impeller, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-356-5614 has 2 manufacturer part numbers on file: G453545-1 (Raytheon Company), G453545-1 (Raytheon Company Dba Raytheon Co).
Key specifications for G453545-1: Overall Height: 4.540 INCHES NOMINAL IN; Overall Diameter: 4.540 INCHES NOMINAL IN; Mounting Method: MACHINE SCREW; Shape: ROUND. 5 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.