The Damper,inertia, cataloged under National Stock Number 3040-01-507-0608, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Damper,inertia |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); William Adams Pty Ltd (CAGE Z8Q46) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-507-0608 |
| Primary Part Number | 167-8121 |
| Item Name | Damper,inertia |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| 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 |
|---|---|
| 22KP193 | Oshkosh Defense Llc (USA) |
| 167-8121 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 167-8121 | William Adams Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 7C8444 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| 222-5782 | D/9 Drawing number reference only Caterpillar Inc Div Caterpillar Defense |
| 7C8444 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 3040-01-507-0608 is a Damper,inertia, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-507-0608 has 3 manufacturer part numbers on file: 22KP193 (Oshkosh Defense Llc), 167-8121 (Caterpillar Inc Div Caterpillar Defense), 167-8121 (William Adams Pty Ltd).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-507-5129. Verify interchangeability with system specifications before substitution.
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.