PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-18-21Contact,electrical

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5999-01-494-0584 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-494-0584 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-494-0584. Primary manufacturer part number: 8-18-21.
Features
  • Contact,electrical — FSC 5999
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 2 verified cross-references
  • Primary manufacturer: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-494-0584, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-494-0584
Primary Part Number8-18-21
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeBL
Unit of IssueEA
SMR CodeVM
Weight0.0800 lbs
Cube0.0185 cu ft
Verified Substitutes 6
5133-00-065-098102-R18C-21 INTERCHANGEABLE
Drill,twist
Us Air Tool Co Inc Dba Us Air Tool Co Inc
1650-00-131-16548182-1 INTERCHANGEABLE
Housing,bungee Assy
Goodrich Aerospace Canada Ltd
2990-01-117-334881821 INTERCHANGEABLE
Pipe,exhaust
Jenny Products, Inc
5999-01-134-2073700073-A INTERCHANGEABLE
Contact,electrical
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
3610-01-193-0989081821 INTERCHANGEABLE
Support Assy
Abd Intl Inc Dba Abdick
4820-01-505-518981821 INTERCHANGEABLE
Repair Kit,valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
8-18-21 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
700073-A L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
5133-00-065-0981INTERCHANGEABLE
DRILL,TWIST
02-R18C-21
1650-00-131-1654INTERCHANGEABLE
HOUSING,BUNGEE ASSY
8182-1
2990-01-117-3348INTERCHANGEABLE
PIPE,EXHAUST
81821
5999-01-134-2073INTERCHANGEABLE
CONTACT,ELECTRICAL
700073-A
3610-01-193-0989INTERCHANGEABLE
SUPPORT ASSY
081821
4820-01-505-5189INTERCHANGEABLE
REPAIR KIT,VALVE
81821

Frequently Asked Questions

What is NSN 5999-01-494-0584?

NSN 5999-01-494-0584 is a Contact,electrical, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-494-0584?

NSN 5999-01-494-0584 has 2 cross-referenced part numbers: 8-18-21 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 700073-A (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5999-01-494-0584?

There are 6 known substitutes for 5999-01-494-0584: 5133-00-065-0981, 1650-00-131-1654, 2990-01-117-3348 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-18-21?

Key specifications for 8-18-21: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 4 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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