PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DL1-3550-3E-CT-CITerminal,stud

Staffall, Inc. Dba Staffall Inc · NSN 5940-00-596-2558 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-596-2558 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-596-2558. Primary manufacturer part number: DL1-3550-3E-CT-CI.
Features
  • Terminal,stud — FSC 5940
  • Width Across Flats: 0.160 INCHES IN
  • Material Document and Classification: QQ-B-626,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSULATION
  • Material Document and Classification: MIL-M-14,TY SDI-5 MIL SPEC SINGLE MATERIAL RESPONSE INSULATION
  • Basic Shape Style: NONTUBULAR, HEX
  • Conductor Accommodation Type: SINGLE TURRET SINGLE END
  • Material: COPPER ALLOY 360 OVERALL EXCEPT INSULATION
  • Terminal Length: 0.160 INCHES IN
Applications
  • Applications requiring Copper Alloy 360 Overall Except Insulation construction
General Description

The Terminal,stud, cataloged under National Stock Number 5940-00-596-2558, 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 Staffall, Inc. Dba Staffall Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5940-00-596-2558
Primary Part NumberDL1-3550-3E-CT-CI
Item NameTerminal,stud
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerStaffall, Inc. Dba Staffall Inc
StatusACTIVE
Width Across Flats0.160 INCHES IN
Material Document and ClassificationQQ-B-626,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSULATION
Material Document and ClassificationMIL-M-14,TY SDI-5 MIL SPEC SINGLE MATERIAL RESPONSE INSULATION
Basic Shape StyleNONTUBULAR, HEX
Conductor Accommodation TypeSINGLE TURRET SINGLE END
MaterialCOPPER ALLOY 360 OVERALL EXCEPT INSULATION
Terminal Length0.160 INCHES IN
Mounting Method StyleTAPPED HOLE
Surface TreatmentSOLDER CONDUCTOR ACCOMMODATION SINGLE LAYER
Thread Length0.080 INCHES IN
Electrical Insulation FeatureSTANDOFF INSULATION
Mounting Thread Diameter0.086 INCHES IN
MaterialPLASTIC DIALLYL PHTHALATE INSULATION
Mounting Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Largest Diameter0.072 INCHES SINGLE END IN
Surface Treatment Document and ClassificationQQ-P-416,TY2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE MOUNTING FACILITY SINGLE LAYER
Surface TreatmentCADMIUM MOUNTING FACILITY SINGLE LAYER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-681-3530DL1-3550-03-CT-CI INTERCHANGEABLE
Terminal,stud
Staffall, Inc. Dba Staffall Inc
Cross-Reference Index
Part NumberManufacturer
M3550-3E Staffall, Inc. Dba Staffall Inc (USA)
11Q30DE4 Whitso Inc (USA)
DL1-3550-3E-CT-CI PRIMARY Staffall, Inc. Dba Staffall Inc (USA)
1JA2379H15 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
1JA2379H15 Northrop Grumman Support Services Corp (USA)
Related Parts
5940-00-681-3530INTERCHANGEABLE
TERMINAL,STUD
DL1-3550-03-CT-CI

Frequently Asked Questions

What is NSN 5940-00-596-2558?

NSN 5940-00-596-2558 is a Terminal,stud, manufactured by Staffall, Inc. Dba Staffall Inc, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-596-2558?

NSN 5940-00-596-2558 has 5 cross-referenced part numbers: M3550-3E (Staffall, Inc. Dba Staffall Inc), 11Q30DE4 (Whitso Inc), DL1-3550-3E-CT-CI (Staffall, Inc. Dba Staffall Inc), 1JA2379H15 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 1JA2379H15 (Northrop Grumman Support Services Corp).

What NSN replaces 5940-00-596-2558?

There is 1 known substitute for 5940-00-596-2558: 5940-00-681-3530. Verify interchangeability with system specifications before substitution.

What are the specifications of DL1-3550-3E-CT-CI?

Key specifications for DL1-3550-3E-CT-CI: Width Across Flats: 0.160 INCHES IN; Material Document and Classification: QQ-B-626,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSULATION; Material Document and Classification: MIL-M-14,TY SDI-5 MIL SPEC SINGLE MATERIAL RESPONSE INSULATION; Basic Shape Style: NONTUBULAR, HEX. 18 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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