The Contact Set,distributor, cataloged under National Stock Number 2920-00-774-4089, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-774-4089 |
| Primary Part Number | CS524 |
| Item Name | Contact Set,distributor |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| Status | ACTIVE |
| Contact Type | BUTTON |
| Precious Material | PLATINUM |
| Contact Quantity | 2 |
| Precious Material and Location | CONTACT POINT SURFACE PLATINUM |
| 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 |
|---|---|
| 7744089 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| CS524 PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| CS521003 | United Technologies Corp Electro Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 524 | 5/9 Secondary reference High Voltage Engineering Corp Culver Stearns Mfg Co Div |
| CS524 | 5/9 Secondary reference High Voltage Engineering Corp Culver Stearns Mfg Co Div |
| CS524 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| CS521003 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 2920-00-774-4089 is a Contact Set,distributor, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-774-4089 has 3 manufacturer part numbers on file: 7744089 (U S Army Tank Automotive Command Amsta-Im-Mm), CS524 (United Technologies Corp Electro Systems Inc), CS521003 (United Technologies Corp Electro Systems Inc).
Key specifications for CS524: Contact Type: BUTTON; Precious Material: PLATINUM; Contact Quantity: 2; Precious Material and Location: CONTACT POINT SURFACE PLATINUM. 4 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.