PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3995-1Relay,electromagnetic

Northrop Grumman Corp Precision Products Plant · NSN 5945-00-346-9488 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-346-9488 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-346-9488. Primary manufacturer part number: 3995-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY
  • Environmental Protection: HERMETIC
  • Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle: 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Frequency in Hertz: 60.0 NOMINAL
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-346-9488, 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 Northrop Grumman Corp Precision Products Plant. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-346-9488
Primary Part Number3995-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Corp Precision Products Plant
StatusACTIVE
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Frequency in Hertz60.0 NOMINAL
Thread Class2A SINGLE MOUNTING FACILITY A
Terminal Type and Quantity11 PIN ALL FUNCTIONS
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC RESISTIVE LOAD
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Rating in Volts115.0 AC
Winding Quantity1
Coil Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-278-8334AS5186D0604 INTERCHANGEABLE
Elbow,pipe to Hose
Sae International Dba Sae International
5330-00-562-229017178 INTERCHANGEABLE
Seal Kit,pump
Haskel International, Llc Dba Haskel International, Llc
5840-00-642-7445 INTERCHANGEABLE
Assy,crystal Cavity
6625-01-099-616917178 INTERCHANGEABLE
Indicator,digital Display
Astronautics Corporation of America
5305-01-135-9319 INTERCHANGEABLE
Screw,cap,socket Head
5365-01-218-342317178 INTERCHANGEABLE
Plug,machine Thread,magnetic
Dana Commercial Vehicle Products, Llc
6515-01-590-4360249.685 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5305-01-644-428539951 INTERCHANGEABLE
Screw,cap,socket Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
3995-1 Northrop Grumman Corp Precision Products Plant (USA)
B3995-2 Northrop Grumman Corp Precision Products Plant (USA)
PP6607-32 Gte Communication Systems Corp (USA)
PP6607-32 Electro National Corp (USA)
5715-57HS Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
B3995-1 Northrop Grumman Corp Precision Products Plant (USA)
MH-91389 Te Connectivity Corporation (USA)
17178 Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
Related Parts
4730-00-278-8334INTERCHANGEABLE
ELBOW,PIPE TO HOSE
AS5186D0604
5330-00-562-2290INTERCHANGEABLE
SEAL KIT,PUMP
17178
5840-00-642-7445INTERCHANGEABLE
ASSY,CRYSTAL CAVITY
6625-01-099-6169INTERCHANGEABLE
INDICATOR,DIGITAL DISPLAY
17178
5305-01-135-9319INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5365-01-218-3423INTERCHANGEABLE
PLUG,MACHINE THREAD,MAGNETIC
17178
6515-01-590-4360INTERCHANGEABLE
BONE PLATE
249.685
5305-01-644-4285INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
39951

Frequently Asked Questions

What is NSN 5945-00-346-9488?

NSN 5945-00-346-9488 is a Relay,electromagnetic, manufactured by Northrop Grumman Corp Precision Products Plant, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-346-9488?

NSN 5945-00-346-9488 has 8 cross-referenced part numbers: 3995-1 (Northrop Grumman Corp Precision Products Plant), B3995-2 (Northrop Grumman Corp Precision Products Plant), PP6607-32 (Gte Communication Systems Corp), PP6607-32 (Electro National Corp), 5715-57HS (Airpax Corporation Llc Dba Airpax Corporation Llc) and 3 more.

What NSN replaces 5945-00-346-9488?

There are 8 known substitutes for 5945-00-346-9488: 4730-00-278-8334, 5330-00-562-2290, 5840-00-642-7445 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3995-1?

Key specifications for 3995-1: Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY; Environmental Protection: HERMETIC; Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY; Overall Length: 3.094 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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