PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2051-4Outside Link

Ieh Corporation · NSN 6665-00-413-5304 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-413-5304 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-413-5304. Primary manufacturer part number: 2051-4.
Features
  • Outside Link — FSC 6665
  • 1 verified cross-reference
  • Primary manufacturer: Ieh Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Outside Link, cataloged under National Stock Number 6665-00-413-5304, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ieh Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameOutside Link
FSC / FSG6665 — No Item Name Available (FSG 66)
ManufacturersIeh Corporation (CAGE 97913)
Technical Specifications
ParameterValue
NSN6665-00-413-5304
Primary Part Number2051-4
Item NameOutside Link
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerIeh Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6130-00-256-3168 INTERCHANGEABLE
Rectifier,metallic
5340-00-395-9433 INTERCHANGEABLE
Clamp,loop
3830-00-453-9101 INTERCHANGEABLE
Brush,segment
5360-00-730-592220514 INTERCHANGEABLE
Spring,helical,compression
Eagle Crusher Co Inc Dba Stedman Machine Co
2915-00-774-868220514 INTERCHANGEABLE
Valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
4730-01-014-12824CMT4, 1/4 TUBEX1/4 NPT INTERCHANGEABLE
Adapter,straight,pipe to Tube
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
3120-01-185-168720514 INTERCHANGEABLE
Bearing,sleeve
Real-Time Laboratories, Llc
5305-01-273-943220514 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
6350-01-696-782920514 INTERCHANGEABLE
Sensing Element,fire Detector Sy
Aqualarm Inc
Cross-Reference Index
Part NumberManufacturer
2051-4 PRIMARY Ieh Corporation (USA)
Related Parts
6130-00-256-3168INTERCHANGEABLE
RECTIFIER,METALLIC
5340-00-395-9433INTERCHANGEABLE
CLAMP,LOOP
3830-00-453-9101INTERCHANGEABLE
BRUSH,SEGMENT
5360-00-730-5922INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20514
2915-00-774-8682INTERCHANGEABLE
VALVE
20514
4730-01-014-1282INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4CMT4, 1/4 TUBEX1/4 NPT
3120-01-185-1687INTERCHANGEABLE
BEARING,SLEEVE
20514
5305-01-273-9432INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
20514
6350-01-696-7829INTERCHANGEABLE
SENSING ELEMENT,FIRE DETECTOR SY
20514

Frequently Asked Questions

What is NSN 6665-00-413-5304?

NSN 6665-00-413-5304 is a Outside Link, manufactured by Ieh Corporation, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-00-413-5304?

NSN 6665-00-413-5304 has 1 cross-referenced part number: 2051-4 (Ieh Corporation).

What NSN replaces 6665-00-413-5304?

There are 9 known substitutes for 6665-00-413-5304: 6130-00-256-3168, 5340-00-395-9433, 3830-00-453-9101 and 6 more. Verify interchangeability with system specifications before substitution.

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