The Screwdriver Attachment,socket Wr, cataloged under National Stock Number 5120-01-178-6310, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Williams J H Industrial Products Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-178-6310 |
| Primary Part Number | MA-6L |
| Item Name | Screwdriver Attachment,socket Wr |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Williams J H Industrial Products Inc |
| Status | ACTIVE |
| Drive Surface Size | 0.250 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Size | 0.188 INCHES NOMINAL SINGLE END IN |
| Style Designator | HEXAGON |
| Departure From Cited Designator | AS MODIFIED BY DRIVE SURFACE SIZE |
| Nondefinitive Spec/std Data | 4 TYPE AND 3 CLASS AND B STYLE |
| Wrenching Surface Shape | HEXAGON 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 | X |
| Part Number | Manufacturer |
|---|---|
| MA-6L PRIMARY | Williams J H Industrial Products Inc (USA) |
| Reference | Meaning |
|---|---|
| GGG-W-641 | 4/1 Identification reference U.S. Government activity |
| GGG-W-641 TY4CL3STB | 5/1 Secondary reference U.S. Government activity |
| MA-6L | 5/9 Secondary reference Trw Inc Hand Tools Div Trw Industrial Products Group |
NSN 5120-01-178-6310 is a Screwdriver Attachment,socket Wr, manufactured by Williams J H Industrial Products Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-178-6310 has 1 manufacturer part number on file: MA-6L (Williams J H Industrial Products Inc).
Key specifications for MA-6L: Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.188 INCHES NOMINAL SINGLE END IN; Style Designator: HEXAGON; Overall Length: 3.625 INCHES NOMINAL IN. 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.