The Arm,adjusting,belt Tension, cataloged under National Stock Number 2920-01-172-4704, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Bae Systems Hagglunds Aktiebolag. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Arm,adjusting,belt Tension |
| FSC / FSG | 2920 — Engine Electrical System Components, Nonaircraft (FSG 29) |
| Manufacturers | Bae Systems Hagglunds Aktiebolag (CAGE AC90N); Mercedes-Benz Ag (CAGE CN7Z7) |
| Parameter | Value |
|---|---|
| NSN | 2920-01-172-4704 |
| Primary Part Number | 4537800-112 |
| Item Name | Arm,adjusting,belt Tension |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Bae Systems Hagglunds Aktiebolag |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4537800-112 PRIMARY | Bae Systems Hagglunds Aktiebolag (SWE) |
| 6170500111 | Mercedes-Benz Ag (DEU) |
| Reference | Meaning |
|---|---|
| 6170500111 | 5/9 Secondary reference Daimler Ag |
| 4537800-112 | 3/9 Design control — primary reference Bae Systems Hagglunds Ab |
NSN 2920-01-172-4704 is a Arm,adjusting,belt Tension, manufactured by Bae Systems Hagglunds Aktiebolag, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-172-4704 has 2 manufacturer part numbers on file: 4537800-112 (Bae Systems Hagglunds Aktiebolag), 6170500111 (Mercedes-Benz Ag).
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.