The Relay,electromagnetic, cataloged under National Stock Number 5945-00-253-0239, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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 | 5945-00-253-0239 |
| Primary Part Number | M5757/40-003 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Specification/standard Data | 81349-MIL-R-5757/40 GOVERNMENT SPECIFICATION |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Operating Voltage Rating and Type at Specified Temp | 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Time Delay | 0.003 SECONDS MAXIMUM FIXED OPERATE TIME |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Arc Quenching Method | AIR |
| Test Data Document | 81349-MIL-R-5757 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.). |
| Winding DC Resistance Rating | 351.0 OHMS MINIMUM AND 429.0 OHMS MAXIMUM SINGLE WINDING |
| Coil Quantity | 1 |
| Fragility Factor | MODERATELY RUGGED |
| Purpose for Which Designed | GENERAL |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Overall Diameter | 0.335 INCHES MAXIMUM IN |
| Terminal Type and Quantity | 8 WIRE LEAD ALL FUNCTIONS |
| Main Contact Load Current Rating at Maximum Rated Voltage | 100.0 MILLIAMPERES DC LAMP LOAD |
| Mounting Facility Type and Quantity | 1 TERMINAL SINGLE MOUNTING FACILITY |
| Time Delay | 0.002 SECONDS MAXIMUM FIXED RELEASE TIME |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M5757/40-003 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 974-0083-030 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| MIL-R-5757/40 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 352250012964 | Thales Nederland (NLD) |
NSN 5945-00-253-0239 is a Relay,electromagnetic, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5945 (No Item Name Available). Status: active.
NSN 5945-00-253-0239 has 4 cross-referenced part numbers: M5757/40-003 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 974-0083-030 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), MIL-R-5757/40 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 352250012964 (Thales Nederland).
There are 8 known substitutes for 5945-00-253-0239: 5945-00-136-8399, 5945-00-403-3905, 5945-00-405-3906 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for M5757/40-003: Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Specification/standard Data: 81349-MIL-R-5757/40 GOVERNMENT SPECIFICATION; Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES DC RESISTIVE LOAD. 22 total characteristics are documented in the Federal Logistics Information System.