The Relay,thermal, cataloged under National Stock Number 5945-00-665-7689, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Meggitt (new Hampshire), Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5945-00-665-7689 |
| Primary Part Number | B2131 |
| Item Name | Relay,thermal |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Meggitt (new Hampshire), Inc |
| Status | CANCELLED |
| Overall Diameter | 1.275 INCHES NOMINAL IN |
| Contact Maximum Current Rating in Amps | 3.0 AC OR 3.0 DC |
| Heater Voltage Rating in Volts | 117.0 |
| Mounting Facility Type and Quantity | 1 OCTAL BASE PLUG-IN |
| Terminal Type and Quantity | 6 PIN |
| Delay Time in Seconds | 60.0 FIXED OPERATE NOMINAL |
| Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN |
| Heater Power Rating in Watts | 5.0 |
| Contact Maximum Voltage Rating in Volts | 250.0 AC AND 150.0 DC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B2131 | Meggitt (new Hampshire), Inc (USA) |
| E1220 | Thermal Controls Div of Magnetic Windings Co (USA) |
| 12Z13001-182 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 501B2131 | Jettron Products Inc (USA) |
| 085-20052-005 | Lh Enterprise (USA) |
NSN 5945-00-665-7689 is a Relay,thermal, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 5945 (No Item Name Available). Status: cancelled.
NSN 5945-00-665-7689 has 5 cross-referenced part numbers: B2131 (Meggitt (new Hampshire), Inc), E1220 (Thermal Controls Div of Magnetic Windings Co), 12Z13001-182 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 501B2131 (Jettron Products Inc), 085-20052-005 (Lh Enterprise).
There are 2 known substitutes for 5945-00-665-7689: 3110-00-144-8561, 5310-00-271-7427. Verify interchangeability with system specifications before substitution.
Key specifications for B2131: Overall Length: 3.250 INCHES NOMINAL IN; Overall Diameter: 1.275 INCHES NOMINAL IN; Contact Maximum Current Rating in Amps: 3.0 AC OR 3.0 DC; Heater Voltage Rating in Volts: 117.0. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5945-00-665-7689 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.