The Wrench,crowfoot Extension, cataloged under National Stock Number 5120-01-164-2138, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-164-2138 |
| Primary Part Number | GT507DJ2 |
| Item Name | Wrench,crowfoot Extension |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 0.250 INCH CROWFOOT ADAPTER; 0.125 INCH DIAMETER ROD,5.375 INCH LENGTH; 0.250 HEX DRIVE END IN |
| 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 |
|---|---|
| GT507DJ2 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A-X867AA | 3/9 Design control — primary reference Utica Tool Co Inc |
NSN 5120-01-164-2138 is a Wrench,crowfoot Extension, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-164-2138 has 1 manufacturer part number on file: GT507DJ2 (Northrop Grumman Systems Corporation).
Key specifications for GT507DJ2: General Characteristics Item Description: 0.250 INCH CROWFOOT ADAPTER; 0.125 INCH DIAMETER ROD,5.375 INCH LENGTH; 0.250 HEX DRIVE END IN; End Item Identification: AN/ALQ-99E(V),POSSBL OTHER USES. 1 specification is 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.