The Wrench,open End, cataloged under National Stock Number 5120-01-399-8761, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-01-399-8761 |
| Primary Part Number | J3021 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | CANCELLED |
| Wrenching Surface Size | 0.375 INCHES NOMINAL FIRST END IN |
| Wrenching Surface Shape | OVAL BOTH ENDS INTERNAL |
| Material | STEEL OVERALL |
| Small End Head Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Size | 0.438 INCHES NOMINAL SECOND END IN |
| Specification/standard Data | 05047-ASME B107.100/B107.39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CHROMIUM OVERALL |
| Large End Head Angle | 15.0 DEGREES NOMINAL |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Style Designator | DOUBLE HEAD |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| J3021 | The Stanley Works Dba Stanley Proto (USA) |
| 3021 | The Stanley Works Dba Stanley Proto (USA) |
| B107.100 | The American Society of Mechanical Engineers (USA) |
| 07337200 | Blackwood J. Blackwood & Son Pty Ltd (AUS) |
| 20417 | Atkins Carlyle Ltd (AUS) |
| S206 | The Stanley Works Pty Ltd (AUS) |
| SCMT20801 | The Stanley Works Pty Ltd (AUS) |
| B107.39 TY1CL1 | General Services Administration Federal Supply Service (USA) |
| B107.39 | The American Society of Mechanical Engineers (USA) |
| 07337200 | J Blackwood & Son Ltd (AUS) |
| 20801 | The Stanley Works Pty Ltd (AUS) |
| 03953015 | Blackwood J. Blackwood & Son Pty Ltd (AUS) |
| 703-4 | The Stanley Works Pty Ltd (AUS) |
| 1ANH1 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
NSN 5120-01-399-8761 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-01-399-8761 has 14 cross-referenced part numbers: J3021 (The Stanley Works Dba Stanley Proto), 3021 (The Stanley Works Dba Stanley Proto), B107.100 (The American Society of Mechanical Engineers), 07337200 (Blackwood J. Blackwood & Son Pty Ltd), 20417 (Atkins Carlyle Ltd) and 9 more.
There are 12 known substitutes for 5120-01-399-8761: 5998-00-106-3539, 5365-00-126-4222, 5945-00-188-5637 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for J3021: Wrenching Surface Size: 0.375 INCHES NOMINAL FIRST END IN; Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL; Material: STEEL OVERALL; Small End Head Angle: 15.0 DEGREES NOMINAL. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-01-399-8761 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.