The Bit,screwdriver, cataloged under National Stock Number 5120-00-439-8266, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Chapman Manufacturing Company the Dba Chapman Manufacturing Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-00-439-8266 |
| Primary Part Number | CMS-4 |
| Item Name | Bit,screwdriver |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Chapman Manufacturing Company the Dba Chapman Manufacturing Co |
| Status | CANCELLED |
| Drive Shank Type | HEXAGON |
| Shank Width Across Wrench Flats | 0.250 INCHES NOMINAL IN |
| Width Across Flats | 0.062 INCHES NOMINAL IN |
| Tip Type | MALE HEXAGONAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CMS-4 PRIMARY | Chapman Manufacturing Company the Dba Chapman Manufacturing Co (USA) |
| XL4 | Apex Tool Group (USA) |
| GGG-S-1408 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 9011017 | Us Army Aviation and Missile Command (USA) |
| GGG-S-1408 TY2CL4 | General Services Administration Federal Supply Service (USA) |
| XL4 | Apex Tool Group, Llc (USA) |
NSN 5120-00-439-8266 is a Bit,screwdriver, manufactured by Chapman Manufacturing Company the Dba Chapman Manufacturing Co, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-439-8266 has 6 cross-referenced part numbers: CMS-4 (Chapman Manufacturing Company the Dba Chapman Manufacturing Co), XL4 (Apex Tool Group), GGG-S-1408 (Federal Specifications Promulgated by General Services Administration Washington DC), 9011017 (Us Army Aviation and Missile Command), GGG-S-1408 TY2CL4 (General Services Administration Federal Supply Service) and 1 more.
There are 10 known substitutes for 5120-00-439-8266: 5120-00-439-8267, 5120-00-439-8269, 5120-00-439-8270 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for CMS-4: Drive Shank Type: HEXAGON; Shank Width Across Wrench Flats: 0.250 INCHES NOMINAL IN; Overall Length: 1.625 INCHES NOMINAL IN; Width Across Flats: 0.062 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-439-8266 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.