The Screwdriver,torque, cataloged under National Stock Number 5120-01-274-0816, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Ryeson Corporation Div Sturtevant Richmont. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-274-0816 |
| Primary Part Number | EM-CAL36/4 128 IN.-OZ |
| Item Name | Screwdriver,torque |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Ryeson Corporation Div Sturtevant Richmont |
| Status | ACTIVE |
| Drive Surface Size | 0.250 INCHES NOMINAL SINGLE END IN |
| Torque Capacity | 128.0 INCH-OUNCES NOMINAL IN |
| Torque Signal Method | AUDIBLE |
| Style Designator | MICROMETER END DRIVE |
| Drive End Shape | HEXAGON SINGLE END INTERNAL |
| Torque Indicating Mechanism | PRESET-ADJUSTABLE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| EM-CAL36/4 128 IN.-OZ PRIMARY | Ryeson Corporation Div Sturtevant Richmont (USA) |
| Reference | Meaning |
|---|---|
| B4021198-3 | 7/2 Vendor item drawing reference Department of the Army Hq United States Army Communications Research and Development Command |
NSN 5120-01-274-0816 is a Screwdriver,torque, manufactured by Ryeson Corporation Div Sturtevant Richmont, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-274-0816 has 1 manufacturer part number on file: EM-CAL36/4 128 IN.-OZ (Ryeson Corporation Div Sturtevant Richmont).
Key specifications for EM-CAL36/4 128 IN.-OZ: Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Torque Capacity: 128.0 INCH-OUNCES NOMINAL IN; Torque Signal Method: AUDIBLE; Style Designator: MICROMETER END DRIVE. 7 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.