The Adjusting Device,belt-Chain Tens, cataloged under National Stock Number 2990-01-710-4957, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins 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 | 2990-01-710-4957 |
| Primary Part Number | WP9916-05 |
| Item Name | Adjusting Device,belt-Chain Tens |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Material | IRON |
| 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 |
|---|---|
| WP9916-05 PRIMARY | Cummins Inc. (USA) |
NSN 2990-01-710-4957 is a Adjusting Device,belt-Chain Tens, manufactured by Cummins Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-710-4957 has 1 manufacturer part number on file: WP9916-05 (Cummins Inc.).
Key specifications for WP9916-05: Special Features: DUST SHIELD NOT INCLUDED; Part Name Assigned by Controlling Agency: BELT TENSIONER; End Item Identification: ISC/ISL CM850 BASE ENGINE; Material: IRON. 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.