The Socket,slugging Type Box Wrench, cataloged under National Stock Number 5120-00-436-8395, 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 9 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-436-8395 |
| Primary Part Number | GT64 |
| Item Name | Socket,slugging Type Box Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Drive Surface Size | UNABLE TO DECODE |
| Wrenching Surface Size | UNABLE TO DECODE |
| Wrenching End Outside Diameter | 3.438 INCHES NOMINAL IN |
| Style Designator | EXTERNAL INTERNAL |
| Wrenching Surface Shape | UNABLE TO DECODE |
| Drive End Shape | UNABLE TO DECODE |
| Surface Treatment | UNABLE TO DECODE |
| Functional Description | USED ON HUB NUT,MAIN LANDING GEAR |
| Material | UNABLE TO DECODE |
| 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 |
|---|---|
| GT64 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5120-00-436-8395 is a Socket,slugging Type Box Wrench, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-436-8395 has 1 manufacturer part number on file: GT64 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2330-01-112-3836. Verify interchangeability with system specifications before substitution.
Key specifications for GT64: Drive Surface Size: UNABLE TO DECODE; Wrenching Surface Size: UNABLE TO DECODE; Wrenching End Outside Diameter: 3.438 INCHES NOMINAL IN; Style Designator: EXTERNAL INTERNAL. 9 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.