The Rotor,generator, cataloged under National Stock Number 2920-00-681-1212, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2920-00-681-1212 |
| Primary Part Number | 8672668 |
| Item Name | Rotor,generator |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | CANCELLED |
| Overall Diameter | 4.7695 INCHES MINIMUM AND 4.7705 INCHES MAXIMUM IN |
| Features Provided | SHAFT |
| Construction | SALIENT POLE |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 99017-55 | Cummins Inc. (USA) |
| 8672668 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 36835 | 5/9 Secondary reference Prestolite Electric Inc |
| JH85-370 | 5/9 Secondary reference Hollingsworth John R Co |
| 36835 | 5/2 Secondary reference U.S. Government activity |
| A020036835 | 5/9 Secondary reference Prestolite Electric Inc |
| 2920006811212 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| S36835 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 2920-00-681-1212 is a Rotor,generator, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: cancelled.
NSN 2920-00-681-1212 has 2 manufacturer part numbers on file: 99017-55 (Cummins Inc.), 8672668 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 4720-00-855-5368, 4820-01-210-0283. Verify interchangeability with system specifications before substitution.
Key specifications for 8672668: Overall Diameter: 4.7695 INCHES MINIMUM AND 4.7705 INCHES MAXIMUM IN; Overall Length: 11.9375 INCHES NOMINAL IN; Features Provided: SHAFT; Construction: SALIENT POLE. 3 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.
NSN 2920-00-681-1212 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.