The Clamp Assembly,adapter Kit, cataloged under National Stock Number 4920-00-473-4698, 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 General Electric Company. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-00-473-4698 |
| Primary Part Number | 21C891-11 |
| Item Name | Clamp Assembly,adapter Kit |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| FSC Application Data | ADAPTER KIT |
| General Characteristics Item Description | C/O CLAMP 1; KNOB 1; CLAMP CAM 1;EYE BOLT 1; DRIVE LOK PIN 1; USED TO ADAPT J85 ENGINE TO M37 STAND |
| 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 |
|---|---|
| 21C891-11 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 21C891-11 | 3/9 Design control — primary reference U.S. Government activity |
| 21C891-11 | 5/9 Secondary reference General Electric Company |
NSN 4920-00-473-4698 is a Clamp Assembly,adapter Kit, manufactured by General Electric Company, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-473-4698 has 1 manufacturer part number on file: 21C891-11 (General Electric Company).
Key specifications for 21C891-11: FSC Application Data: ADAPTER KIT; General Characteristics Item Description: C/O CLAMP 1; KNOB 1; CLAMP CAM 1;EYE BOLT 1; DRIVE LOK PIN 1; USED TO ADAPT J85 ENGINE TO M37 STAND; End Item Identification: J85 ENGINE. 2 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.