PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R50-3Contact,electrical

Test Connections, Inc. · NSN 5999-01-597-9377 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-597-9377 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-597-9377. Primary manufacturer part number: R50-3.
Features
  • Contact,electrical — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Test Connections, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-597-9377, 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 Test Connections, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameContact,electrical
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersTest Connections, Inc. (CAGE 49AT7)
Technical Specifications
ParameterValue
NSN5999-01-597-9377
Primary Part NumberR50-3
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTest Connections, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 5
5120-00-032-6171R503 INTERCHANGEABLE
Socket,socket Wrench
Hiller Aircraft Corporation
3110-00-159-9283ART2034A INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5977-00-337-81121906945 INTERCHANGEABLE
Brush,electrical Contact
Delco Remy America Inc
4820-00-664-6655 INTERCHANGEABLE
Valve,regulating,fluid Pressure
6850-01-698-2269R-503 INTERCHANGEABLE
Inspection Penetrant
Mcgean-Rohco Inc
Cross-Reference Index
Part NumberManufacturer
R50-3 PRIMARY Test Connections, Inc. (USA)
Related Parts
5120-00-032-6171INTERCHANGEABLE
SOCKET,SOCKET WRENCH
R503
3110-00-159-9283INTERCHANGEABLE
BEARING,BALL,ANNULAR
ART2034A
5977-00-337-8112INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
1906945
4820-00-664-6655INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
6850-01-698-2269INTERCHANGEABLE
INSPECTION PENETRANT
R-503

Frequently Asked Questions

What is NSN 5999-01-597-9377?

NSN 5999-01-597-9377 is a Contact,electrical, manufactured by Test Connections, Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-597-9377?

NSN 5999-01-597-9377 has 1 cross-referenced part number: R50-3 (Test Connections, Inc.).

What NSN replaces 5999-01-597-9377?

There are 5 known substitutes for 5999-01-597-9377: 5120-00-032-6171, 3110-00-159-9283, 5977-00-337-8112 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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