PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5621Protector,thermal-Overload,elect

Hdt Expeditionary Systems Inc · NSN 6110-00-104-4341 · FSC 6110 · No Item Name Available
Verified by PartsTable
NSN 6110-00-104-4341 — this item is cataloged by the U.S. Government under National Stock Number 6110-00-104-4341. Primary manufacturer part number: 5621.
Features
  • Protector,thermal-Overload,elect — FSC 6110
  • Pole Quantity: 2
  • 3 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Protector,thermal-Overload,elect, cataloged under National Stock Number 6110-00-104-4341, is classified within Federal Supply Class 6110 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6110-00-104-4341
Primary Part Number5621
Item NameProtector,thermal-Overload,elect
FSC / FSG6110 / 61 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Pole Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
5905-00-141-1116 INTERCHANGEABLE
Resistor,fixed,composition
5910-00-332-0777SM-A-935135-1 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4720-00-541-07475621 INTERCHANGEABLE
Hose,air Duct
Flexco, Inc
5998-00-545-4983 INTERCHANGEABLE
Extender Card,electronic Test
5950-00-645-77615621 INTERCHANGEABLE
Transformer,audio Frequency
Precision Electronics, Inc
5975-00-661-1007 INTERCHANGEABLE
Box Connector,electrical
5895-00-784-3797712699-001 INTERCHANGEABLE
Core
Raytheon Company Dba Raytheon
5955-01-125-063256-2-1 INTERCHANGEABLE
Crystal Unit,quartz
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
4710-01-316-238356-21 INTERCHANGEABLE
Tube Assembly,metal
Chicago Faucet Co the
7025-01-523-12295621 INTERCHANGEABLE
Interface Unit,automatic Data Pr
Stingray56 Inc.
Cross-Reference Index
Part NumberManufacturer
9700L05-11 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
9700L20-11 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
5621 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5905-00-141-1116INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5910-00-332-0777INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
SM-A-935135-1
4720-00-541-0747INTERCHANGEABLE
HOSE,AIR DUCT
5621
5998-00-545-4983INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
5950-00-645-7761INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5621
5975-00-661-1007INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5895-00-784-3797INTERCHANGEABLE
CORE
712699-001
5955-01-125-0632INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
56-2-1
4710-01-316-2383INTERCHANGEABLE
TUBE ASSEMBLY,METAL
56-21
7025-01-523-1229INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
5621

Frequently Asked Questions

What is NSN 6110-00-104-4341?

NSN 6110-00-104-4341 is a Protector,thermal-Overload,elect, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 6110 (No Item Name Available). Status: active.

What are the part numbers for NSN 6110-00-104-4341?

NSN 6110-00-104-4341 has 3 cross-referenced part numbers: 9700L05-11 (Sensata Technologies, Inc. Div Sensata Attleboro), 9700L20-11 (Sensata Technologies, Inc. Div Sensata Attleboro), 5621 (Hdt Expeditionary Systems Inc).

What NSN replaces 6110-00-104-4341?

There are 10 known substitutes for 6110-00-104-4341: 5905-00-141-1116, 5910-00-332-0777, 4720-00-541-0747 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5621?

Key specifications for 5621: Pole Quantity: 2; Special Features: ONE END 0.951 IN. MIN,0.979 IN. MAX BY 0.260 IN. MIN,0.290 IN. MAX THK; TEMP SETTING OPEN 224 DEG F,CLOSED 145 DEG F; MYLAR SLEEVE ONE END; 2 TERMINALS 0.375 IN. LG OTHER END IN; Overall Length: 3.413 INCHES MINIMUM AND 3.817 INCHES MAXIMUM IN. 3 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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