PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40520-1Lead Assembly,electrical

Honeywell International Inc. Div Aerospace - Torrance · NSN 5995-00-557-3671 · FSC 5995 · No Item Name Available
Verified by PartsTable
NSN 5995-00-557-3671 — this item is cataloged by the U.S. Government under National Stock Number 5995-00-557-3671. Primary manufacturer part number: 40520-1.
Features
  • Lead Assembly,electrical — FSC 5995
  • Round Conductor Size: 18 AWG ALL CONDUCTORS
  • Terminal Commercial and Government Entity Code: 70210 FIRST END ALL CONDUCTORS
  • Strand Quantity Per Conductor: 19 ALL CONDUCTORS
  • Material: PLASTIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
  • Conductor Length: 2.000 INCHES NOMINAL ALL CONDUCTORS IN
  • Terminal Manufacturer Identifying Reference Number: 25697-5 FIRST END ALL CONDUCTORS
  • Conductor Form: STRANDED ALL CONDUCTORS
Applications
  • Applications requiring Plastic First Position Primary Insulation All Conductors construction
General Description

The Lead Assembly,electrical, cataloged under National Stock Number 5995-00-557-3671, is classified within Federal Supply Class 5995 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5995-00-557-3671
Primary Part Number40520-1
Item NameLead Assembly,electrical
FSC / FSG5995 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Round Conductor Size18 AWG ALL CONDUCTORS
Terminal Commercial and Government Entity Code70210 FIRST END ALL CONDUCTORS
Strand Quantity Per Conductor19 ALL CONDUCTORS
MaterialPLASTIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
Conductor Length2.000 INCHES NOMINAL ALL CONDUCTORS IN
Terminal Manufacturer Identifying Reference Number25697-5 FIRST END ALL CONDUCTORS
Conductor FormSTRANDED ALL CONDUCTORS
Conductor Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2910-00-120-0124 INTERCHANGEABLE
Pump,fuel,cam Actuated
4820-00-222-21624502-01 INTERCHANGEABLE
Body,valve
Versa Products Co Inc
1560-00-225-55434-5020-1 INTERCHANGEABLE
Panel,structural,aircraft
The Boeing Company Div Legacy Wichita
2990-01-122-632740520 INTERCHANGEABLE
Plate,earthing Ther
Sabre Engines Ltd
6220-01-154-543640520-1 INTERCHANGEABLE
Light,navigational,marine
Glamox Aqua Signal Corporation
4710-01-204-982240520-1 INTERCHANGEABLE
Tube Assembly,metal
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
3110-01-268-3608100104-56 INTERCHANGEABLE
Bearing,ball,annular
Meggitt North Hollywood Inc
5140-01-386-030140520 INTERCHANGEABLE
Chest,top,mobile Tool Cabinet
Waterloo Industries Inc
6150-01-580-156145-0201 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Gc/waldom Inc
6515-01-594-1607450201 INTERCHANGEABLE
Standard Tube Spec
Greiner Vacuette North America Inc
Cross-Reference Index
Part NumberManufacturer
40520-1 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
45020-1 Honeywell International Inc. Div Aerospace - Torrance (USA)
40520 Honeywell International Inc. Div Aerospace - Torrance (USA)
40520-1 Aero International, Llc Dba Ams Engineered Solutions (USA)
45020-1 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
40520-1 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
Related Parts
2910-00-120-0124INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
4820-00-222-2162INTERCHANGEABLE
BODY,VALVE
4502-01
1560-00-225-5543INTERCHANGEABLE
PANEL,STRUCTURAL,AIRCRAFT
4-5020-1
2990-01-122-6327INTERCHANGEABLE
PLATE,EARTHING THER
40520
6220-01-154-5436INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
40520-1
4710-01-204-9822INTERCHANGEABLE
TUBE ASSEMBLY,METAL
40520-1
3110-01-268-3608INTERCHANGEABLE
BEARING,BALL,ANNULAR
100104-56
5140-01-386-0301INTERCHANGEABLE
CHEST,TOP,MOBILE TOOL CABINET
40520
6150-01-580-1561INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
45-0201
6515-01-594-1607INTERCHANGEABLE
STANDARD TUBE SPEC
450201

Frequently Asked Questions

What is NSN 5995-00-557-3671?

NSN 5995-00-557-3671 is a Lead Assembly,electrical, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5995 (No Item Name Available). Status: active.

What are the part numbers for NSN 5995-00-557-3671?

NSN 5995-00-557-3671 has 6 cross-referenced part numbers: 40520-1 (Honeywell International Inc. Div Aerospace - Torrance), 45020-1 (Honeywell International Inc. Div Aerospace - Torrance), 40520 (Honeywell International Inc. Div Aerospace - Torrance), 40520-1 (Aero International, Llc Dba Ams Engineered Solutions), 45020-1 (Alliedsignal Inc Dba Allied-Signal Aerospace Co) and 1 more.

What NSN replaces 5995-00-557-3671?

There are 10 known substitutes for 5995-00-557-3671: 2910-00-120-0124, 4820-00-222-2162, 1560-00-225-5543 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40520-1?

Key specifications for 40520-1: Round Conductor Size: 18 AWG ALL CONDUCTORS; Terminal Commercial and Government Entity Code: 70210 FIRST END ALL CONDUCTORS; Strand Quantity Per Conductor: 19 ALL CONDUCTORS; Material: PLASTIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS. 8 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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