The Relay,electromagnetic, cataloged under National Stock Number 5945-01-120-0313, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5945-01-120-0313 |
| Primary Part Number | 77C953321P1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | CANCELLED |
| Coil Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Duty Type | CONTINUOUS |
| Winding Quantity | 1 |
| Overall Diameter | 0.925 INCHES MAXIMUM IN |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Nominal Thread Size | 0.562 INCHES SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 5 TAB, SOLDER LUG ALL FUNCTIONS |
| Thread Direction | RIGHT-HAND SINGLE MOUNTING FACILITY |
| Specification/standard Data | 81349-MIL-R-83725/4 GOVERNMENT SPECIFICATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING SINGLE MOUNTING FACILITY |
| Test Data Document | 81349-MIL-R-83725 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 2500.0 DC |
| Time Delay | 0.006 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME |
| Thread Series Designator | UNS SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES DC RESISTIVE LOAD |
| Winding DC Resistance Rating | 335.0 OHMS NOMINAL SINGLE WINDING |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 77C953321P1 | Lockheed Martin Corporation Div Rms (USA) |
| 12272687 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| HC-1/S50 | Te Connectivity Corporation (USA) |
| K-7 | Te Connectivity Corporation (USA) |
| 01G009714-11 | Magnetek Inc Industrial Controls Group Div Dba Magnetek (USA) |
| M83725/4-001 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| RJ1H-26N877 | Jennings Technology Company Llc Dba Jennings (USA) |
| MIL-DTL-83725/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 11738925 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| RJ1H-26DD4315 | Jennings Technology Company Llc Dba Jennings (USA) |
| M83725/04-001 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-R-83725/4 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 77C953321 | Lockheed Martin Corporation Div Rms (USA) |
| P754010801 | F E L Corp (USA) |
NSN 5945-01-120-0313 is a Relay,electromagnetic, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5945 (No Item Name Available). Status: cancelled.
NSN 5945-01-120-0313 has 14 cross-referenced part numbers: 77C953321P1 (Lockheed Martin Corporation Div Rms), 12272687 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), HC-1/S50 (Te Connectivity Corporation), K-7 (Te Connectivity Corporation), 01G009714-11 (Magnetek Inc Industrial Controls Group Div Dba Magnetek) and 9 more.
There are 6 known substitutes for 5945-01-120-0313: 6625-00-243-3132, 4820-00-414-6588, 3460-01-018-4221 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 77C953321P1: Coil Quantity: 1; Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Duty Type: CONTINUOUS; Winding Quantity: 1. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5945-01-120-0313 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.