The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-171-0785, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Rotron Incorporated. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-171-0785 |
| Primary Part Number | 1004-55 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Rotron Incorporated |
| Status | ACTIVE |
| Style Designator | CLOSED SIDES SINGLE DISK |
| Attachment Method | KEYWAY |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Width | 7.000 INCHES NOMINAL IN |
| Diameter | 13.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1004.53 | Rotron Incorporated (USA) |
| 2113172 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| 2113172-020 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| 1004-55 PRIMARY | Rotron Incorporated (USA) |
NSN 4140-01-171-0785 is a Impeller,fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-01-171-0785 has 4 cross-referenced part numbers: 1004.53 (Rotron Incorporated), 2113172 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 2113172-020 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 1004-55 (Rotron Incorporated).
There are 12 known substitutes for 4140-01-171-0785: 6685-00-020-9793, 5340-00-153-7668, 4310-00-164-0703 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1004-55: Style Designator: CLOSED SIDES SINGLE DISK; End Item Identification: FAN,CENTRIFUGAL; Special Features: WHEEL SHALL BE STATICALLY AND DYNAMICALLY BALANCED WITHIN 10 GM-CM;HEATTREAT TC-T6 CONDITION AFTER DIP BRAZE;FINISH-CHEM FILM ALL AL ALY PART PER MIL-C-5541 CLASS 1A A; Attachment Method: KEYWAY. 7 total characteristics are documented in the Federal Logistics Information System.