The Switch,lock,ignition, cataloged under National Stock Number 2920-01-694-4566, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Pollak Joseph Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-694-4566 |
| Primary Part Number | 31-537-P |
| Item Name | Switch,lock,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Pollak Joseph Corp |
| Status | ACTIVE |
| Switch Functional Positions | AUXILIARY AND IGNITION |
| Body Style | BUSHING MOUNTED |
| 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 |
|---|---|
| 31-537-P PRIMARY | Pollak Joseph Corp (USA) |
| Reference | Meaning |
|---|---|
| 31-537 | 5/9 Secondary reference Pollak Joseph Corp |
NSN 2920-01-694-4566 is a Switch,lock,ignition, manufactured by Pollak Joseph Corp, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-694-4566 has 1 manufacturer part number on file: 31-537-P (Pollak Joseph Corp).
Key specifications for 31-537-P: Switch Functional Positions: AUXILIARY AND IGNITION; Body Style: BUSHING MOUNTED; Part Name Assigned by Controlling Agency: 4 POSITION SWITCH; End Item Identification: 3810-01-675-7339; CRANE,CRAWLER MOUNTED. 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.