The Terminal Block,electrical, cataloged under National Stock Number 2920-01-390-5733, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Killark Electric Mfg Co. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2920-01-390-5733 |
| Primary Part Number | 37/40TBB18F |
| Item Name | Terminal Block,electrical |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Killark Electric Mfg Co |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 300.0 AC-RMS |
| Material | PLASTIC |
| Thread Size and Series/type Designator | 0.250-32 UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 37/40TBB18F PRIMARY | Killark Electric Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 37/40TB18F | C/1 Advisory reference — outside the item-of-supply concept Killark Electric Mfg Co |
NSN 2920-01-390-5733 is a Terminal Block,electrical, manufactured by Killark Electric Mfg Co, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-390-5733 has 1 manufacturer part number on file: 37/40TBB18F (Killark Electric Mfg Co).
Key specifications for 37/40TBB18F: Voltage in Volts and Current Type: 300.0 AC-RMS; Overall Length: 7.485 INCHES NOMINAL IN; Overall Width: 0.890 INCHES NOMINAL IN; Material: PLASTIC. 3 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.