The Relay,electromagnetic, cataloged under National Stock Number 5945-01-157-1689, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 13 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5945-01-157-1689 |
| Primary Part Number | 900-2X |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 28.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.800 INCHES MINIMUM AND 2.830 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES MINIMUM AND 0.200 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Cubic Measure | 24.714 CUBIC INCHES |
| Winding Quantity | 1 |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 6 SCREW ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B4015175 | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| 900-2X PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| M0DEL900-2X | C/1 Advisory reference — outside the item-of-supply concept Te Connectivity Corporation |
| MODEL900-2X | 5/9 Secondary reference Wilmar Electronics Inc Division of Cii Technologies Inc |
NSN 5945-01-157-1689 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-157-1689 has 2 manufacturer part numbers on file: B4015175 (Department of the Army Hq United States Army Communications Research and Development Command), 900-2X (Te Connectivity Corporation).
Key specifications for 900-2X: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.100 INCHES MINIMUM AND 3.220 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 28.0 DC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 13 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.
NSN 5945-01-157-1689 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.