PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

521478776Terminal,quick Disconnect

Telemechanics Inc · NSN 5940-00-177-2517 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-177-2517 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-177-2517. Primary manufacturer part number: 521478776.
Features
  • Terminal,quick Disconnect — FSC 5940
  • Surface Treatment: TIN OVERALL SINGLE LAYER
  • Material: COPPER ALLOY OVERALL
  • Conductor Accommodation Type: CLAMPING TANG EARS SINGLE END
  • Electrical Insulation Feature: UNINSULATED
  • Basic Shape Style: INTERNAL
  • Width of Tab Accommodated: 0.110 INCHES IN
  • Quick Disconnect Style: TAB RECEPTACLE MODIFIED
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Terminal,quick Disconnect, cataloged under National Stock Number 5940-00-177-2517, 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 Telemechanics Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-00-177-2517
Primary Part Number521478776
Item NameTerminal,quick Disconnect
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Surface TreatmentTIN OVERALL SINGLE LAYER
MaterialCOPPER ALLOY OVERALL
Conductor Accommodation TypeCLAMPING TANG EARS SINGLE END
Electrical Insulation FeatureUNINSULATED
Basic Shape StyleINTERNAL
Width of Tab Accommodated0.110 INCHES IN
Quick Disconnect StyleTAB RECEPTACLE MODIFIED
Material Thickness0.010 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2825-00-218-6049D15-664-0PC649 INTERCHANGEABLE
Piston,regulating V
Northrop Grumman Systems Corporation Div Marine Systems
5950-00-489-1769399266-6 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon Co
5310-00-602-88543521-6 INTERCHANGEABLE
Nut
Gc/waldom Inc
6615-00-919-8085072-08806 INTERCHANGEABLE
Armature and Ring
Moog Inc
6660-00-920-32588806 INTERCHANGEABLE
Rotor,wind Speed
Belfort Instrument Company
5950-00-933-0425 INTERCHANGEABLE
Transformer,audio Frequency
6730-01-005-03068866 INTERCHANGEABLE
Projector,still Picture
Bosch Security Systems, Llc
5950-01-051-8275 INTERCHANGEABLE
Transformer,discriminator
5306-01-092-009819AS608 INTERCHANGEABLE
Bolt
Oshkosh Defense Llc
5330-01-263-88408806 INTERCHANGEABLE
Packing,preformed
King Engineering Corporation Dba King-Gage Systems
Cross-Reference Index
Part NumberManufacturer
880-6 Zierick Mfg Corp (USA)
521478776 PRIMARY Telemechanics Inc (USA)
147877 American Telephone and Telegraph Co (USA)
Related Parts
2825-00-218-6049INTERCHANGEABLE
PISTON,REGULATING V
D15-664-0PC649
5950-00-489-1769INTERCHANGEABLE
COIL,RADIO FREQUENCY
399266-6
5310-00-602-8854INTERCHANGEABLE
NUT
3521-6
6615-00-919-8085INTERCHANGEABLE
ARMATURE AND RING
072-08806
6660-00-920-3258INTERCHANGEABLE
ROTOR,WIND SPEED
8806
5950-00-933-0425INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
6730-01-005-0306INTERCHANGEABLE
PROJECTOR,STILL PICTURE
8866
5950-01-051-8275INTERCHANGEABLE
TRANSFORMER,DISCRIMINATOR
5306-01-092-0098INTERCHANGEABLE
BOLT
19AS608
5330-01-263-8840INTERCHANGEABLE
PACKING,PREFORMED
8806
6640-01-565-5749INTERCHANGEABLE
ROTOR,CENTRIFUGE

Frequently Asked Questions

What is NSN 5940-00-177-2517?

NSN 5940-00-177-2517 is a Terminal,quick Disconnect, manufactured by Telemechanics Inc, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-177-2517?

NSN 5940-00-177-2517 has 3 cross-referenced part numbers: 880-6 (Zierick Mfg Corp), 521478776 (Telemechanics Inc), 147877 (American Telephone and Telegraph Co).

What NSN replaces 5940-00-177-2517?

There are 11 known substitutes for 5940-00-177-2517: 2825-00-218-6049, 5950-00-489-1769, 5310-00-602-8854 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 521478776?

Key specifications for 521478776: Surface Treatment: TIN OVERALL SINGLE LAYER; Material: COPPER ALLOY OVERALL; Conductor Accommodation Type: CLAMPING TANG EARS SINGLE END; Electrical Insulation Feature: UNINSULATED. 9 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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