PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200344Insert,electrical Contact Brush

Test Systems International Inc · NSN 5977-01-345-4759 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-345-4759 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-345-4759. Primary manufacturer part number: 200344.
Features
  • Insert,electrical Contact Brush — FSC 5977
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 1 verified cross-reference
  • Primary manufacturer: Test Systems International Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insert,electrical Contact Brush, cataloged under National Stock Number 5977-01-345-4759, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Test Systems International Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-01-345-4759
Primary Part Number200344
Item NameInsert,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerTest Systems International Inc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-020-0344 INTERCHANGEABLE
Terminal,lug
4730-00-277-9177149F-4-4 INTERCHANGEABLE
Elbow,pipe to Tube
Parker-Hannifin Corp Div Fluid System Connector Division
5331-01-394-7925200344 INTERCHANGEABLE
O-Ring
Karl Senner, L.l.c. Dba Karl Senner Inc
7021-01-721-3634200344 INTERCHANGEABLE
Computer,digital
Assa Abloy Global Solutions, Inc.
Cross-Reference Index
Part NumberManufacturer
200344 Test Systems International Inc (USA)
Related Parts
5940-00-020-0344INTERCHANGEABLE
TERMINAL,LUG
4730-00-277-9177INTERCHANGEABLE
ELBOW,PIPE TO TUBE
149F-4-4
5331-01-394-7925INTERCHANGEABLE
O-RING
200344
7021-01-721-3634INTERCHANGEABLE
COMPUTER,DIGITAL
200344

Frequently Asked Questions

What is NSN 5977-01-345-4759?

NSN 5977-01-345-4759 is a Insert,electrical Contact Brush, manufactured by Test Systems International Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-345-4759?

NSN 5977-01-345-4759 has 1 cross-referenced part number: 200344 (Test Systems International Inc).

What NSN replaces 5977-01-345-4759?

There are 4 known substitutes for 5977-01-345-4759: 5940-00-020-0344, 4730-00-277-9177, 5331-01-394-7925 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200344?

Key specifications for 200344: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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