The Switch,keylock, cataloged under National Stock Number 2925-01-101-4188, is classified within Federal Supply Class 2925 (Engine Electrical System Components, Aircraft Prime Moving) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2925-01-101-4188 |
| Item Name | Switch,keylock |
| FSC / FSG | 2925 / 29 — Engine Electrical System Components, Aircraft Prime Moving |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTING OF ONE STEEL INTERNAL TOOTH LOCKWASHER 0.030 IN. THK,1.950 IN. MAX DIA,CADMIUM PLATED PER QQ-P-416,CL 2,TY 2,ONE BLACK ANODIZED ALUMINUM KNURLED NUT,1.800 IN. DIA,0.281 IN. THK W/ 0.135 IN. DIA PIN HOLES 90 DEG APART IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2925PL2221312 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 44MY24617 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2925-01-101-4188 is a Switch,keylock, classified under FSC 2925, Engine Electrical System Components, Aircraft Prime Moving. Status: active.
Key specifications for 2925-01-101-4188: General Characteristics Item Description: CONSISTING OF ONE STEEL INTERNAL TOOTH LOCKWASHER 0.030 IN. THK,1.950 IN. MAX DIA,CADMIUM PLATED PER QQ-P-416,CL 2,TY 2,ONE BLACK ANODIZED ALUMINUM KNURLED NUT,1.800 IN. DIA,0.281 IN. THK W/ 0.135 IN. DIA PIN HOLES 90 DEG APART IN; End Item Identification: 1520010350266. 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.