The Key,socket Head Screw, cataloged under National Stock Number 5120-01-127-5145, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Metric and Multistandard Components Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-127-5145 |
| Primary Part Number | DIN 905 9MM |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Metric and Multistandard Components Corp |
| Status | ACTIVE |
| Torque Capacity | 19.0 METER-KILOGRAMS MINIMUM AND 21.0 METER-KILOGRAMS MAXIMUM |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| Criticality Code Justification | FEAT |
| Wrenching Surface Size | 8.65 MILLIMETERS MINIMUM AND 9.15 MILLIMETERS MAXIMUM SINGLE END MM |
| Style Designator | FIXED T-HANDLE |
| Wrenching Surface Shape | SQUARE SINGLE END EXTERNAL |
| 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 | S |
| Part Number | Manufacturer |
|---|---|
| DIN 905 9MM PRIMARY | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| 905 9MM | 5/9 Secondary reference Metric and Multistandard Components Corp |
| 5206455 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5120-01-127-5145 is a Key,socket Head Screw, manufactured by Metric and Multistandard Components Corp, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-127-5145 has 1 manufacturer part number on file: DIN 905 9MM (Metric and Multistandard Components Corp).
Key specifications for DIN 905 9MM: Torque Capacity: 19.0 METER-KILOGRAMS MINIMUM AND 21.0 METER-KILOGRAMS MAXIMUM; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM; Criticality Code Justification: FEAT; Wrenching Surface Size: 8.65 MILLIMETERS MINIMUM AND 9.15 MILLIMETERS MAXIMUM SINGLE END MM. 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.