The Blankoff Kit,abradable Fan Case, cataloged under National Stock Number 4920-01-157-5890, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Cfm International Inc Dba Cfm International. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-157-5890 |
| Primary Part Number | 856A3237G01 |
| Item Name | Blankoff Kit,abradable Fan Case |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Cfm International Inc Dba Cfm International |
| Status | ACTIVE |
| Overall Diameter | 66.900 INCHES NOMINAL IN |
| General Characteristics Item Description | C/O ONE INNER TAP W/TWO HANDLES; SIX OUTER TAPS W/TWO HANDLES EACH; 66.900 IN. DIA; 3.900 IN. LG; REQUIRED TO CLOSE AIR FLOWS DURING FAN CASE ABRADABLE CARTRIDGE MACHINING IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 856A3237G01 PRIMARY | Cfm International Inc Dba Cfm International (USA) |
NSN 4920-01-157-5890 is a Blankoff Kit,abradable Fan Case, manufactured by Cfm International Inc Dba Cfm International, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-157-5890 has 1 manufacturer part number on file: 856A3237G01 (Cfm International Inc Dba Cfm International).
Key specifications for 856A3237G01: Overall Diameter: 66.900 INCHES NOMINAL IN; General Characteristics Item Description: C/O ONE INNER TAP W/TWO HANDLES; SIX OUTER TAPS W/TWO HANDLES EACH; 66.900 IN. DIA; 3.900 IN. LG; REQUIRED TO CLOSE AIR FLOWS DURING FAN CASE ABRADABLE CARTRIDGE MACHINING IN; Special Features: C/O ONE INNER TAP W/TWO HANDLES; SIX OUTER TAPS W/TWO HANDLES EACH; End Item Identification: KC-135R AIRCRAFT AGE.. 2 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.
NSN 4920-01-157-5890 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.