The Tensioner Pulley Assembly, cataloged under National Stock Number 3950-01-540-2999, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-540-2999 |
| Primary Part Number | 217-8938 |
| Item Name | Tensioner Pulley Assembly |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| 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 |
|---|---|
| 217-8938 | Thales Australia - Bendigo Land & Joint Systems (AUS) |
| 217-8938 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 2178938 | Hastings Deering (aust) Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 135-2151 | 5/9 Secondary reference Hastings Deering (aust) Pty Ltd |
| 135-2151 | 5/9 Secondary reference Caterpillar of Australia Pty Ltd |
| 135-2151 | 5/9 Secondary reference William Adams Pty Ltd |
| 135-2151 | 5/9 Secondary reference Thales Australia - Bendigo Land & Joint Systems |
| 135-2151 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 135-2151 | 5/9 Secondary reference Westrac Equipment Pty Ltd |
| 10409958 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3950-01-540-2999 is a Tensioner Pulley Assembly, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-540-2999 has 3 manufacturer part numbers on file: 217-8938 (Thales Australia - Bendigo Land & Joint Systems), 217-8938 (Caterpillar Inc Div Caterpillar Defense), 2178938 (Hastings Deering (aust) Pty Ltd).
Key specifications for 217-8938: End Item Identification: 6115-01-296-1463 GENERATOR SET, DIESEL ENGINE. 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.