The Adjusting Device,belt-Chain Tens, cataloged under National Stock Number 2990-01-622-6792, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Dayco Products Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-622-6792 |
| Primary Part Number | 89448 |
| Item Name | Adjusting Device,belt-Chain Tens |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Dayco Products Inc |
| Status | ACTIVE |
| Functional Description | AUTOMATIC BELT TENSIONER |
| 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 |
|---|---|
| 89448 PRIMARY | Dayco Products Inc (USA) |
NSN 2990-01-622-6792 is a Adjusting Device,belt-Chain Tens, manufactured by Dayco Products Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-622-6792 has 1 manufacturer part number on file: 89448 (Dayco Products Inc).
Key specifications for 89448: Functional Description: AUTOMATIC BELT TENSIONER; Part Name Assigned by Controlling Agency: ADJUSTING DEVICE-BELT. 1 specification is 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.