The Polarizing Key,electrical Connec, cataloged under National Stock Number 5935-01-521-8632, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Triple E Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-521-8632 |
| Primary Part Number | 990230 |
| Item Name | Polarizing Key,electrical Connec |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Triple E Corporation |
| Status | ACTIVE |
| Shape | IRREGULAR |
| Material | PLASTIC NYLON |
| 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 |
|---|---|
| 990230 PRIMARY | Triple E Corporation (USA) |
| 959-277031 | Apw Enclosure Systems Llc (USA) |
| 959-277031 | Schroff Inc (USA) |
| Reference | Meaning |
|---|---|
| 1305A831-01 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5935-01-521-8632 is a Polarizing Key,electrical Connec, manufactured by Triple E Corporation, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-521-8632 has 3 manufacturer part numbers on file: 990230 (Triple E Corporation), 959-277031 (Apw Enclosure Systems Llc), 959-277031 (Schroff Inc).
Key specifications for 990230: Shape: IRREGULAR; Overall Length: 0.480 INCHES NOMINAL IN; Overall Width: 0.170 INCHES NOMINAL IN; Material: PLASTIC NYLON. 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.