The Polarizing Key,electrical Connec, cataloged under National Stock Number 5935-00-678-2390, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-678-2390 |
| Primary Part Number | 570921-3 |
| Item Name | Polarizing Key,electrical Connec |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Shape | RECTANGULAR |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 570921-3 | Raytheon Company (USA) |
| 570921-3 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 217011-002 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 143-953 | C/1 Advisory reference — outside the item-of-supply concept Ufp Technologies, Inc. Dba Ufp Technologies Inc |
| 143-953 | 5/9 Secondary reference Amphenol Corp Spectra-Strip/itd |
| 570921-3 | 5/9 Secondary reference Raytheon Company Div Corp |
| 217011-002 | 5/2 Secondary reference U.S. Government activity |
| 020-120 | C/1 Advisory reference — outside the item-of-supply concept Trilithic, Inc. |
| 04-1928 | 5/9 Secondary reference Bacharach, Inc. |
NSN 5935-00-678-2390 is a Polarizing Key,electrical Connec, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-678-2390 has 2 manufacturer part numbers on file: 570921-3 (Raytheon Company), 570921-3 (Raytheon Company Dba Raytheon Co).
3 possible matches (shared part number, not a government interchangeability claim): 6605-01-333-4002, 6650-01-494-2084, 8145-01-590-4416. Verify interchangeability with system specifications before substitution.
Key specifications for 570921-3: Shape: RECTANGULAR; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.