PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16778-9-5Resistor Assembly

Ward Leonard Ct Llc · NSN 5905-00-643-7182 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-643-7182 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-643-7182. Primary manufacturer part number: 16778-9-5.
Features
  • Resistor Assembly — FSC 5905
  • Component Quantity: 2
  • Component Name: FIXED RIBBON WOUND RESISTOR
  • Component Identifying Number: 16778.9 DRAWING NO.
  • Component Controlling Agency: WARD LEONARD ELECTRIC CO
  • Mounting Method: BRACKET(S)
  • Component Relationship: NOT MATCHED
  • Mounting Configuration: EIGHT 13/32 IN. DIA MTG HOLES LOCATED 4 HOLES ON EA SIDE IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor Assembly, cataloged under National Stock Number 5905-00-643-7182, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5905-00-643-7182
Primary Part Number16778-9-5
Item NameResistor Assembly
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Component Quantity2
Component NameFIXED RIBBON WOUND RESISTOR
Component Identifying Number16778.9 DRAWING NO.
Component Controlling AgencyWARD LEONARD ELECTRIC CO
Mounting MethodBRACKET(S)
Component RelationshipNOT MATCHED
Mounting ConfigurationEIGHT 13/32 IN. DIA MTG HOLES LOCATED 4 HOLES ON EA SIDE IN
Assembly Construction MethodMOUNTED ON PLATE AND STACKED W/THROUGH BOLT
Resistor Power Dissipation Rating in Watts2025.0
Resistance Tolerance in Percent-10.0 TO 10.0
Electrical Resistance0.250 OHMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-100-1692 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5905-00-100-2019722393B01 INTERCHANGEABLE
Resistor,fixed,wire Wound
Lockheed Martin Corporation Div Rms - Mitchel Field
5905-00-100-2627 INTERCHANGEABLE
Resistor,fixed,wire Wound
4510-00-116-31508-2576 INTERCHANGEABLE
Shower Arm
Crane Co Div Valve Div
5905-00-173-7938 INTERCHANGEABLE
Resistor,fixed,wire Wound
Cross-Reference Index
Part NumberManufacturer
16778-9-5 Ward Leonard Ct Llc (USA)
90F Puget Sound Naval Shipyard and Intermediate Maintence Facility (USA)
16933-9ED33604 Ward Leonard Ct Llc (USA)
90F Ward Leonard Ct Llc (USA)
N1015PC8 Federal Pacific Electric Co Long Island Panelboard Plant (USA)
Related Parts
5905-00-100-1692INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5905-00-100-2019INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
722393B01
5905-00-100-2627INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4510-00-116-3150INTERCHANGEABLE
SHOWER ARM
8-2576
5905-00-173-7938INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND

Frequently Asked Questions

What is NSN 5905-00-643-7182?

NSN 5905-00-643-7182 is a Resistor Assembly, manufactured by Ward Leonard Ct Llc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-643-7182?

NSN 5905-00-643-7182 has 5 cross-referenced part numbers: 16778-9-5 (Ward Leonard Ct Llc), 90F (Puget Sound Naval Shipyard and Intermediate Maintence Facility), 16933-9ED33604 (Ward Leonard Ct Llc), 90F (Ward Leonard Ct Llc), N1015PC8 (Federal Pacific Electric Co Long Island Panelboard Plant).

What NSN replaces 5905-00-643-7182?

There are 5 known substitutes for 5905-00-643-7182: 5905-00-100-1692, 5905-00-100-2019, 5905-00-100-2627 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16778-9-5?

Key specifications for 16778-9-5: Component Quantity: 2; Component Name: FIXED RIBBON WOUND RESISTOR; Component Identifying Number: 16778.9 DRAWING NO.; Component Controlling Agency: WARD LEONARD ELECTRIC CO. 11 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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