PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T1-59-1Terminal,stud

Rockwell Aviation Services, Inc. Dba Mercury Industries Div Mercury Industries · NSN 5940-00-878-4281 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-878-4281 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-878-4281. Primary manufacturer part number: T1-59-1.
Features
  • Terminal,stud — FSC 5940
  • Width Across Flats: 0.250 INCHES IN
  • Terminal Length: 0.160 INCHES IN
  • Mounting Method Style: STUD
  • Material: COPPER ALLOY CONDUCTOR ACCOMMODATION
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL2 FED SPEC SINGLE TREATMENT RESPONSE CONDUCTOR ACCOMMODATION SINGLE LAYER
  • Features Provided: ELECTRODE HERMETIC SEAL
  • Identification Code Color: WHITE
Applications
  • Applications requiring Copper Alloy Conductor Accommodation construction
General Description

The Terminal,stud, cataloged under National Stock Number 5940-00-878-4281, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Rockwell Aviation Services, Inc. Dba Mercury Industries Div Mercury Industries. Government technical data includes 19 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-00-878-4281
Primary Part NumberT1-59-1
Item NameTerminal,stud
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerRockwell Aviation Services, Inc. Dba Mercury Industries Div Mercury Industries
StatusACTIVE
Width Across Flats0.250 INCHES IN
Terminal Length0.160 INCHES IN
Mounting Method StyleSTUD
MaterialCOPPER ALLOY CONDUCTOR ACCOMMODATION
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL2 FED SPEC SINGLE TREATMENT RESPONSE CONDUCTOR ACCOMMODATION SINGLE LAYER
Features ProvidedELECTRODE HERMETIC SEAL
Identification Code ColorWHITE
Mounting Thread Quantity40 PER INCH
Material Document and ClassificationQQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE CONDUCTOR ACCOMMODATION
Thread Length0.220 INCHES IN
Surface TreatmentCADMIUM MOUNTING FACILITY SINGLE LAYER
Electrical Insulation FeatureINSULATING SLEEVE
Surface Treatment Document and ClassificationQQ-P-416,TY2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE MOUNTING FACILITY SINGLE LAYER
Surface TreatmentCADMIUM CONDUCTOR ACCOMMODATION SINGLE LAYER
Basic Shape StyleNONTUBULAR, HEX
Largest Diameter0.250 INCHES SINGLE END IN
Conductor Accommodation TypeTHREADED INTERNAL SINGLE END
Mounting Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Mounting Thread Diameter0.122 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2990-00-185-7028T-1591 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
Cross-Reference Index
Part NumberManufacturer
T1-59-1 PRIMARY Rockwell Aviation Services, Inc. Dba Mercury Industries Div Mercury Industries (USA)
Related Parts
2990-00-185-7028INTERCHANGEABLE
MUFFLER,EXHAUST
T-1591

Frequently Asked Questions

What is NSN 5940-00-878-4281?

NSN 5940-00-878-4281 is a Terminal,stud, manufactured by Rockwell Aviation Services, Inc. Dba Mercury Industries Div Mercury Industries, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-878-4281?

NSN 5940-00-878-4281 has 1 cross-referenced part number: T1-59-1 (Rockwell Aviation Services, Inc. Dba Mercury Industries Div Mercury Industries).

What NSN replaces 5940-00-878-4281?

There is 1 known substitute for 5940-00-878-4281: 2990-00-185-7028. Verify interchangeability with system specifications before substitution.

What are the specifications of T1-59-1?

Key specifications for T1-59-1: Width Across Flats: 0.250 INCHES IN; Terminal Length: 0.160 INCHES IN; Overall Height: 0.660 INCHES IN; Mounting Method Style: STUD. 20 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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