PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52BAKContact Assembly,electrical

Siemens Energy and Automation Inc Siemens Furnas Controls Div · NSN 5999-01-171-5816 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-171-5816 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-171-5816. Primary manufacturer part number: 52BAK.
Features
  • Contact Assembly,electrical — FSC 5999
  • Government Agency Controlling Contact: USN
  • Contact Quantity: 8
  • Structural Design: NONPILE-UP
  • Contact Identifying Number Assigned by Government Agency: 52BAK
  • Contact Item Name Assigned by Government Agency: CONTACT ASSY
  • Government Agency Controlling Contact: USN
  • Contact Quantity: 8
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact Assembly,electrical, cataloged under National Stock Number 5999-01-171-5816, 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 Siemens Energy and Automation Inc Siemens Furnas Controls Div. Government technical data includes 10 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-171-5816
Primary Part Number52BAK
Item NameContact Assembly,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSiemens Energy and Automation Inc Siemens Furnas Controls Div
StatusACTIVE
Government Agency Controlling ContactUSN
Contact Quantity8
Structural DesignNONPILE-UP
Contact Identifying Number Assigned by Government Agency52BAK
Contact Item Name Assigned by Government AgencyCONTACT ASSY
Government Agency Controlling ContactUSN
Contact Quantity8
Structural DesignNONPILE-UP
Contact Identifying Number Assigned by Government Agency52BAK
Contact Item Name Assigned by Government AgencyCONTACT ASSY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZN
Weight0.0600 lbs
Cube0.0085 cu ft
Verified Substitutes 6
4470-00-079-2039 INTERCHANGEABLE
Device,locking,gland Nut
5315-00-412-9867100-051-1 INTERCHANGEABLE
Pin,straight,headed
Bell Textron Inc
5930-01-304-312111024281 INTERCHANGEABLE
Switch,rotary
Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center
6150-01-541-8063100-05-1-1 INTERCHANGEABLE
Cable Assembly Set,electrical
Radio Design Group, Inc.
4920-01-558-596052BAK INTERCHANGEABLE
Contact Block,n.o.,
Hydraulics International, Inc. Dba Hydraulics International Inc
5310-01-674-9773100051-1 INTERCHANGEABLE
Nut Jackscrew
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
1000511 Tld Ace Corp Div Tld Ace (USA)
231015-002 Hotstart Sales, Llc (USA)
52BAK-52SB2AAB Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
C-231A4701 IT 9 Hotstart Sales, Llc (USA)
52BAK PRIMARY Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
Related Parts
4470-00-079-2039INTERCHANGEABLE
DEVICE,LOCKING,GLAND NUT
5315-00-412-9867INTERCHANGEABLE
PIN,STRAIGHT,HEADED
100-051-1
5930-01-304-3121INTERCHANGEABLE
SWITCH,ROTARY
11024281
6150-01-541-8063INTERCHANGEABLE
CABLE ASSEMBLY SET,ELECTRICAL
100-05-1-1
4920-01-558-5960INTERCHANGEABLE
CONTACT BLOCK,N.O.,
52BAK
5310-01-674-9773INTERCHANGEABLE
NUT JACKSCREW
100051-1

Frequently Asked Questions

What is NSN 5999-01-171-5816?

NSN 5999-01-171-5816 is a Contact Assembly,electrical, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-171-5816?

NSN 5999-01-171-5816 has 5 cross-referenced part numbers: 1000511 (Tld Ace Corp Div Tld Ace), 231015-002 (Hotstart Sales, Llc), 52BAK-52SB2AAB (Siemens Energy and Automation Inc Siemens Furnas Controls Div), C-231A4701 IT 9 (Hotstart Sales, Llc), 52BAK (Siemens Energy and Automation Inc Siemens Furnas Controls Div).

What NSN replaces 5999-01-171-5816?

There are 6 known substitutes for 5999-01-171-5816: 4470-00-079-2039, 5315-00-412-9867, 5930-01-304-3121 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52BAK?

Key specifications for 52BAK: Government Agency Controlling Contact: USN; Contact Quantity: 8; Structural Design: NONPILE-UP; Contact Identifying Number Assigned by Government Agency: 52BAK. 10 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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