The Screwdriver Attachment,socket Wr, cataloged under National Stock Number 5120-01-399-9801, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-01-399-9801 |
| Primary Part Number | J4990-5M |
| Item Name | Screwdriver Attachment,socket Wr |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | CANCELLED |
| Surface Treatment | OXIDE BIT |
| Style Designator | HEXAGON |
| Wrenching Surface Size | 5.0 MILLIMETERS NOMINAL SINGLE END MM |
| Wrenching Surface Shape | HEXAGON SINGLE END EXTERNAL |
| Material | STEEL OVERALL |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Surface Treatment | CHROMIUM DRIVE SURFACE |
| Features Provided | MANUAL TOOL |
| Blade Length | 41.3 MILLIMETERS NOMINAL MM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5120-01-399-9801 is a Screwdriver Attachment,socket Wr, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-01-399-9801 has 3 cross-referenced part numbers: 4990-5M (The Stanley Works Dba Stanley Proto), J4990-5M (The Stanley Works Dba Stanley Proto), 1AL81 (W.w. Grainger, Inc. Div Government Sales Division).
There is 1 known substitute for 5120-01-399-9801: 5120-01-053-4158. Verify interchangeability with system specifications before substitution.
Key specifications for J4990-5M: Surface Treatment: OXIDE BIT; Style Designator: HEXAGON; Wrenching Surface Size: 5.0 MILLIMETERS NOMINAL SINGLE END MM; Overall Length: 69.1 MILLIMETERS NOMINAL MM. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-01-399-9801 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.