The Relay,electromagnetic, cataloged under National Stock Number 5945-00-443-3911, 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 Bradford Vibrators Co the. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-443-3911 |
| Primary Part Number | 21721A |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Bradford Vibrators Co the |
| Status | ACTIVE |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Time Delay | 60.00 SECONDS NOMINAL FIXED OPERATE TIME |
| Winding Quantity | 1 |
| Unthreaded Mounting Hole Diameter | 0.096 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 100.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Operating Voltage Rating and Type at Specified Temp | 21.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Main Contact Maximum Voltage Rating in Volts | 30.0 DC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| Mounting Facility Pattern | DIAGONAL SINGLE MOUNTING FACILITY |
| Features Provided | POLARIZED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5945-00-443-3911 is a Relay,electromagnetic, manufactured by Bradford Vibrators Co the, classified under FSC 5945 (No Item Name Available). Status: active.
NSN 5945-00-443-3911 has 3 cross-referenced part numbers: 21721A (Bradford Vibrators Co the), 22871 (Bradford Vibrators Co the), 615-7632 (Midland-Ross Corp Midtex Div).
There are 8 known substitutes for 5945-00-443-3911: 5970-00-311-1093, 6105-00-578-6220, 3120-01-145-9133 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21721A: Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Time Delay: 60.00 SECONDS NOMINAL FIXED OPERATE TIME; Winding Quantity: 1; Unthreaded Mounting Hole Diameter: 0.096 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 18 total characteristics are documented in the Federal Logistics Information System.