PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SI-9781Relay Assembly

Shiloh Industries Inc · NSN 5945-00-258-3297 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-258-3297 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-258-3297. Primary manufacturer part number: SI-9781.
Features
  • Relay Assembly — FSC 5945
  • Surface Treatment: TIN MOUNTING
  • Usage Design: FUNCTIONS AS AN AC DC INTERLOCK RELAY
  • Mounting Facility: CONTAINER
  • Mounting Configuration: 2 MTG HOLES 0.2187 IN. DIA SPACED ON 4-3/8 IN. MTG CENTERS IN
  • Individual Relay Quantity: 2
  • Relay Type: ARMATURE
  • Controlling Agency: ELECTRO SWITCH AND CONTROLS INC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay Assembly, cataloged under National Stock Number 5945-00-258-3297, 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 Shiloh Industries Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-258-3297
Primary Part NumberSI-9781
Item NameRelay Assembly
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerShiloh Industries Inc
StatusACTIVE
Surface TreatmentTIN MOUNTING
Usage DesignFUNCTIONS AS AN AC DC INTERLOCK RELAY
Mounting FacilityCONTAINER
Mounting Configuration2 MTG HOLES 0.2187 IN. DIA SPACED ON 4-3/8 IN. MTG CENTERS IN
Individual Relay Quantity2
Relay TypeARMATURE
Controlling AgencyELECTRO SWITCH AND CONTROLS INC
Identifying NumberRB8 TYPE NO.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4430-00-349-5066 INTERCHANGEABLE
Oven,thermal Drying,electric
5905-00-544-070731472 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Raytheon Company Dba Raytheon
4940-01-117-906231472 INTERCHANGEABLE
Muffler
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4310-01-217-278831472 INTERCHANGEABLE
Cylinder Sleeve
Moog Inc. Dba Ampac-Isp Corp
5950-01-458-034231472 INTERCHANGEABLE
Coil,electrical
Torotel, Inc. Div Torotel Products, Inc.
Cross-Reference Index
Part NumberManufacturer
SI-9781 PRIMARY Shiloh Industries Inc (USA)
3147-2 Electronic Controls Corporation (USA)
Related Parts
4430-00-349-5066INTERCHANGEABLE
OVEN,THERMAL DRYING,ELECTRIC
5905-00-544-0707INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
31472
4940-01-117-9062INTERCHANGEABLE
MUFFLER
31472
4310-01-217-2788INTERCHANGEABLE
CYLINDER SLEEVE
31472
5950-01-458-0342INTERCHANGEABLE
COIL,ELECTRICAL
31472

Frequently Asked Questions

What is NSN 5945-00-258-3297?

NSN 5945-00-258-3297 is a Relay Assembly, manufactured by Shiloh Industries Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-258-3297?

NSN 5945-00-258-3297 has 2 cross-referenced part numbers: SI-9781 (Shiloh Industries Inc), 3147-2 (Electronic Controls Corporation).

What NSN replaces 5945-00-258-3297?

There are 5 known substitutes for 5945-00-258-3297: 4430-00-349-5066, 5905-00-544-0707, 4940-01-117-9062 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SI-9781?

Key specifications for SI-9781: Surface Treatment: TIN MOUNTING; Usage Design: FUNCTIONS AS AN AC DC INTERLOCK RELAY; Mounting Facility: CONTAINER; Mounting Configuration: 2 MTG HOLES 0.2187 IN. DIA SPACED ON 4-3/8 IN. MTG CENTERS IN. 12 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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