The Coupling Assembly,dynamometer, cataloged under National Stock Number 4920-01-196-9920, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Altra Industrial Motion Corp.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-196-9920 |
| Primary Part Number | 4SE01257-1 |
| Item Name | Coupling Assembly,dynamometer |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| General Characteristics Item Description | CRES COUPLINGS; BRONZE INSERT,CRES PER QQ-S-763,COND A,304 BUSHING |
| 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 |
|---|---|
| 4SE01257-1 | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| 4SE01257-1 | 3/2 Design control — primary reference U.S. Government activity |
| 4SE01257-1 | 5/9 Secondary reference Naval Air Warfare Center Aircraft Division Code 1.3.1 Bldg 562-1 |
NSN 4920-01-196-9920 is a Coupling Assembly,dynamometer, manufactured by Altra Industrial Motion Corp., classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-196-9920 has 1 manufacturer part number on file: 4SE01257-1 (Altra Industrial Motion Corp.).
Key specifications for 4SE01257-1: General Characteristics Item Description: CRES COUPLINGS; BRONZE INSERT,CRES PER QQ-S-763,COND A,304 BUSHING; End Item Identification: TURBO PROP ENGINE MODEL T-58. 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.