The Sleeve,expansion,flared, cataloged under National Stock Number 4920-01-272-1507, 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 Fatigue Technology, Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-272-1507 |
| Primary Part Number | CBS-6-3-N-12F |
| Item Name | Sleeve,expansion,flared |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Fatigue Technology, Inc |
| Status | ACTIVE |
| FSC Application Data | ACFT MAINT. SPCL EQUIP. |
| Model Number | IW100MF/POWERPAK |
| General Characteristics Item Description | MATL STEEL COMP 301 OR 302 FULL HARD; PRELUBRICATED; FIN. NEW HOLE DIA 0.2400 TO 0.2585 IN.; 0.750 IN. LG/MATL THK; SPLIT DESIGN; MATES W/ MANDREL P/N CBM-6-3-N-1-20-V1 IN |
| Reference Data and Literature | MFR TOOLING CAT,TABLE 2 AND PARA 3.3 |
| Functional Description | SPLIT SLEEVE COLD EXPANSION PROCESS,STDN 6-3-N |
| Type/model Designation | LB-20 |
| 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 |
|---|---|
| CBS-6-3-N-12F PRIMARY | Fatigue Technology, Inc (USA) |
| Reference | Meaning |
|---|---|
| ST5300-CBS-6-3-N-12F | 5/2 Secondary reference U.S. Government activity |
| IWMF-CBS-6-3-N-12F | 5/9 Secondary reference Fatigue Technology, Inc |
NSN 4920-01-272-1507 is a Sleeve,expansion,flared, manufactured by Fatigue Technology, Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-272-1507 has 1 manufacturer part number on file: CBS-6-3-N-12F (Fatigue Technology, Inc).
Key specifications for CBS-6-3-N-12F: FSC Application Data: ACFT MAINT. SPCL EQUIP.; Model Number: IW100MF/POWERPAK; General Characteristics Item Description: MATL STEEL COMP 301 OR 302 FULL HARD; PRELUBRICATED; FIN. NEW HOLE DIA 0.2400 TO 0.2585 IN.; 0.750 IN. LG/MATL THK; SPLIT DESIGN; MATES W/ MANDREL P/N CBM-6-3-N-1-20-V1 IN; Reference Data and Literature: MFR TOOLING CAT,TABLE 2 AND PARA 3.3. 6 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.