The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-312-7220, 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 Bae Systems Information and Electronic Systems Integration Inc.. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-312-7220 |
| Primary Part Number | BL1012A |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Blade Quantity | 4 |
| Attachment Method | SETSCREW |
| Material | ALUMINUM BLADE |
| Diameter | 4.500 INCHES NOMINAL IN |
| Width | 0.660 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BL1012A PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 04527-4 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| O-4527-4CWHOB5/16STLHUBALUMBLADE | Timken Aerospace, Inc Dba Torrington Product (USA) |
| A-14418-29088-11 | Timken Aerospace, Inc Dba Torrington Product (USA) |
NSN 4140-00-312-7220 is a Impeller,fan,centrifugal, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-00-312-7220 has 4 cross-referenced part numbers: BL1012A (Bae Systems Information and Electronic Systems Integration Inc.), 04527-4 (Timken Aerospace, Inc Dba Torrington Product), O-4527-4CWHOB5/16STLHUBALUMBLADE (Timken Aerospace, Inc Dba Torrington Product), A-14418-29088-11 (Timken Aerospace, Inc Dba Torrington Product).
There are 4 known substitutes for 4140-00-312-7220: 4140-00-238-6088, 4140-00-356-1639, 4140-00-814-5987 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for BL1012A: Blade Quantity: 4; Attachment Method: SETSCREW; Special Features: COUNTER CLOCKWISE IMPELLER ROTATION; Material: ALUMINUM BLADE. 6 total characteristics are documented in the Federal Logistics Information System.