The Tool Kit,internal Combustion Eng, cataloged under National Stock Number 5180-01-684-5061, is classified within Federal Supply Class 5180 (Sets, Kits, and Outfits of Hand Tools) of the Hand Tools group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5180-01-684-5061 |
| Primary Part Number | 173-5523 |
| Item Name | Tool Kit,internal Combustion Eng |
| FSC / FSG | 5180 / 51 — Sets, Kits, and Outfits of Hand Tools |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 173-5523 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5180-01-684-5061 is a Tool Kit,internal Combustion Eng, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5180, Sets, Kits, and Outfits of Hand Tools. Status: active.
NSN 5180-01-684-5061 has 1 manufacturer part number on file: 173-5523 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 173-5523: Special Features: USED ON C-9 ENGINE; Part Name Assigned by Controlling Agency: VALVE SEAT INSTALLER. 0 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.