The Socket,socket Wrench, cataloged under National Stock Number 5120-01-348-7283, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Snap on Uk Holdings Ltd T/a Snap on Tools. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-348-7283 |
| Primary Part Number | STMMD6 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Snap on Uk Holdings Ltd T/a Snap on Tools |
| Status | ACTIVE |
| Drive Surface Size | 0.250 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 6.0 MILLIMETERS NOMINAL SINGLE END MM |
| Style Designator | INTERNAL-INTERNAL |
| Features Provided | MANUAL TOOL |
| Specification/standard Data | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND B STYLE |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| 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 |
|---|---|
| STMMD6 | Snap on Uk Holdings Ltd T/a Snap on Tools (GBR) |
| J4706LTM | Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS) |
| J4706LTM | The Stanley Works Dba Stanley Proto (USA) |
| STMMD6 | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| Reference | Meaning |
|---|---|
| J4706LTM | 5/9 Secondary reference Henchman Products Pty Ltd |
| AS955 | 5/9 Secondary reference U.S. Government activity |
| AS954 TY1CL1STB | 5/1 Secondary reference U.S. Government activity |
| AS955 TY1CL1STC | 5/9 Secondary reference U.S. Government activity |
| AS954 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS955 | 5/9 Secondary reference Sae International Dba Sae International |
NSN 5120-01-348-7283 is a Socket,socket Wrench, manufactured by Snap on Uk Holdings Ltd T/a Snap on Tools, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-348-7283 has 4 manufacturer part numbers on file: STMMD6 (Snap on Uk Holdings Ltd T/a Snap on Tools), J4706LTM (Henchman Group Pty Ltd the Trustee for Henchman Unit Trust), J4706LTM (The Stanley Works Dba Stanley Proto), STMMD6 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).
Key specifications for STMMD6: Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 6.0 MILLIMETERS NOMINAL SINGLE END MM; Style Designator: INTERNAL-INTERNAL; Overall Length: 49.00 MILLIMETERS MINIMUM MM. 10 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.