The Wrench,spanner, cataloged under National Stock Number 5120-01-103-5837, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-103-5837 |
| Primary Part Number | 160D697660-1 |
| Item Name | Wrench,spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Opening Diameter | 7.200 INCHES NOMINAL IN |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Drive Surface Size | 0.750 INCHES NOMINAL BODY CENTER IN |
| Reference Data and Literature | TO 4S1-99-3 |
| Style Designator | LUG |
| Drive End Shape | RECTANGULAR SINGLE END EXTERNAL |
| Drive End Shape | SQUARE BODY CENTER INTERNAL |
| Functional Description | USED TO REMOVE OR INSTALL CAP RETAINER 19103 |
| 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 |
|---|---|
| 160D697660-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 160D697660-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 160D697660-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5120-01-103-5837 is a Wrench,spanner, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-103-5837 has 1 manufacturer part number on file: 160D697660-1 (Northrop Grumman Systems Corporation).
Key specifications for 160D697660-1: Opening Diameter: 7.200 INCHES NOMINAL IN; Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Drive Surface Size: 0.750 INCHES NOMINAL BODY CENTER IN; Reference Data and Literature: TO 4S1-99-3. 8 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.