PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LA1DN31Contact Assembly,electrical

Schneider Electric Usa, Inc. · NSN 5999-01-511-6502 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-511-6502 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-511-6502. Primary manufacturer part number: LA1DN31.
Features
  • Contact Assembly,electrical — FSC 5999
  • Contact Quantity: 4
  • Structural Design: NONPILE-UP
  • Terminal Type: TAB, SOLDER LUG
  • Contact Quantity: 4
  • Structural Design: NONPILE-UP
  • Terminal Type: TAB, SOLDER LUG
  • 3 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact Assembly,electrical, cataloged under National Stock Number 5999-01-511-6502, 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 Schneider Electric Usa, Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-511-6502
Primary Part NumberLA1DN31
Item NameContact Assembly,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSchneider Electric Usa, Inc.
StatusACTIVE
Contact Quantity4
Structural DesignNONPILE-UP
Terminal TypeTAB, SOLDER LUG
Contact Quantity4
Structural DesignNONPILE-UP
Terminal TypeTAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight0.0500 lbs
Cube0.0152 cu ft
Verified Substitutes 1
5945-00-237-1707 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
A7646 Thern Inc (USA)
LA1DN31 PRIMARY Schneider Electric Usa, Inc. (USA)
C3581 ITEM 18 Thern Inc (USA)
Related Parts
5945-00-237-1707INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5999-01-511-6502?

NSN 5999-01-511-6502 is a Contact Assembly,electrical, manufactured by Schneider Electric Usa, Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-511-6502?

NSN 5999-01-511-6502 has 3 cross-referenced part numbers: A7646 (Thern Inc), LA1DN31 (Schneider Electric Usa, Inc.), C3581 ITEM 18 (Thern Inc).

What NSN replaces 5999-01-511-6502?

There is 1 known substitute for 5999-01-511-6502: 5945-00-237-1707. Verify interchangeability with system specifications before substitution.

What are the specifications of LA1DN31?

Key specifications for LA1DN31: Contact Quantity: 4; Structural Design: NONPILE-UP; Terminal Type: TAB, SOLDER LUG; Special Features: INSTANTANEOUS AUX CONTACT BLOCK 4 CONTACTS 1 PER RELAY 3 NORMALLY OPEN 1 NORMALLY CLOSED. 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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