The Contact Assembly, cataloged under National Stock Number 2920-00-356-0759, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-356-0759 |
| Primary Part Number | 4F2283 |
| Item Name | Contact Assembly |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 BRACKET ASSY,PART NO.BK52181A; 1 BREAKER ARM ASSY,PART NO.LE5256A; 1 WASHER,PART NO.WA1333; 1 SPRING RING,PART NO.SP1074; GREASE,0.002 OZ,PART NO.X86229 OZ |
| 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 |
|---|---|
| BK52234A | United Technologies Corp Electro Systems Inc (USA) |
| 4F2283 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| BK52234A | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| IPD4F2283 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
NSN 2920-00-356-0759 is a Contact Assembly, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-356-0759 has 2 manufacturer part numbers on file: BK52234A (United Technologies Corp Electro Systems Inc), 4F2283 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4F2283: General Characteristics Item Description: CONSISTS OF 1 BRACKET ASSY,PART NO.BK52181A; 1 BREAKER ARM ASSY,PART NO.LE5256A; 1 WASHER,PART NO.WA1333; 1 SPRING RING,PART NO.SP1074; GREASE,0.002 OZ,PART NO.X86229 OZ. 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.