PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200241Cap,sight Gage

Huck International, Inc · NSN 6680-00-121-0551 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-121-0551 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-121-0551. Primary manufacturer part number: 200241.
Features
  • Cap,sight Gage — FSC 6680
  • General Characteristics Item Description: ALUM. ALLOY,GREY ANODIZE PER. MIL-A-8655,0.502 IN. MIN. DIA. TO 0.505 IN. MAX. DIA. FIRST END,0.560 IN. MIN. DIA. TO 0.563 IN. MAX. ID. SECOND END,FIRST END LOCATED 45.0 DEG FROM SECOND END MTG IN
  • 2 verified cross-references
  • Primary manufacturer: Huck International, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,sight Gage, cataloged under National Stock Number 6680-00-121-0551, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Huck International, Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-121-0551
Primary Part Number200241
Item NameCap,sight Gage
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerHuck International, Inc
StatusACTIVE
General Characteristics Item DescriptionALUM. ALLOY,GREY ANODIZE PER. MIL-A-8655,0.502 IN. MIN. DIA. TO 0.505 IN. MAX. DIA. FIRST END,0.560 IN. MIN. DIA. TO 0.563 IN. MAX. ID. SECOND END,FIRST END LOCATED 45.0 DEG FROM SECOND END MTG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-278-2070111605 INTERCHANGEABLE
Clamp,hose
Chrysler Realty Company Llc Dba Daimler Chrysler
4210-00-279-28261FC175 INTERCHANGEABLE
Hub,elevation
Oshkosh Defense Llc
5961-01-078-9494 INTERCHANGEABLE
Transistor
6515-01-394-4769200-241 INTERCHANGEABLE
Perforator,cranial
Acra Cut, Inc. Dba Acra-Cut Inc
1560-01-681-0852UH60-PM12-2025 INTERCHANGEABLE
Panel,structural,aircraft
Kenjer Industries
1560-01-681-1810UH60-PMI2-2024 INTERCHANGEABLE
Panel,structural,aircraft
Kenjer Industries
Cross-Reference Index
Part NumberManufacturer
200241 PRIMARY Huck International, Inc (USA)
200241 Huck Intl Inc (USA)
Related Parts
4730-00-278-2070INTERCHANGEABLE
CLAMP,HOSE
111605
4210-00-279-2826INTERCHANGEABLE
HUB,ELEVATION
1FC175
5961-01-078-9494INTERCHANGEABLE
TRANSISTOR
6515-01-394-4769INTERCHANGEABLE
PERFORATOR,CRANIAL
200-241
1560-01-681-0852INTERCHANGEABLE
PANEL,STRUCTURAL,AIRCRAFT
UH60-PM12-2025
1560-01-681-1810INTERCHANGEABLE
PANEL,STRUCTURAL,AIRCRAFT
UH60-PMI2-2024

Frequently Asked Questions

What is NSN 6680-00-121-0551?

NSN 6680-00-121-0551 is a Cap,sight Gage, manufactured by Huck International, Inc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-121-0551?

NSN 6680-00-121-0551 has 2 cross-referenced part numbers: 200241 (Huck International, Inc), 200241 (Huck Intl Inc).

What NSN replaces 6680-00-121-0551?

There are 6 known substitutes for 6680-00-121-0551: 4730-00-278-2070, 4210-00-279-2826, 5961-01-078-9494 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200241?

Key specifications for 200241: End Item Identification: INDICATOR,SIGHT,P/N 200240-1,NSN 6680-00-722-5911; General Characteristics Item Description: ALUM. ALLOY,GREY ANODIZE PER. MIL-A-8655,0.502 IN. MIN. DIA. TO 0.505 IN. MAX. DIA. FIRST END,0.560 IN. MIN. DIA. TO 0.563 IN. MAX. ID. SECOND END,FIRST END LOCATED 45.0 DEG FROM SECOND END MTG IN. 2 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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