PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8400-14Eyepiece Assembly,optical Instru

John Chadwick Corporation Dba Chadwick John Corp · NSN 6650-01-604-9068 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-604-9068 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-604-9068. Primary manufacturer part number: 8400-14.
Features
  • Eyepiece Assembly,optical Instru — FSC 6650
  • Focusing Type: ADJUSTABLE
  • Diopter Scale: NOT INCLUDED
  • 1 verified cross-reference
  • Primary manufacturer: John Chadwick Corporation Dba Chadwick John Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Eyepiece Assembly,optical Instru, cataloged under National Stock Number 6650-01-604-9068, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is John Chadwick Corporation Dba Chadwick John Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-604-9068
Primary Part Number8400-14
Item NameEyepiece Assembly,optical Instru
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerJohn Chadwick Corporation Dba Chadwick John Corp
StatusACTIVE
Focusing TypeADJUSTABLE
Diopter ScaleNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6920-00-191-077110022493 INTERCHANGEABLE
Cap
Us Army Aviation and Missile Command
4730-00-200-053112268167 INTERCHANGEABLE
Adapter,straight,pipe to Hose
U S Army Tank Automotive Command Amsta-Im-Mm
5930-01-143-248701-700152 INTERCHANGEABLE
Switch,push
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
Cross-Reference Index
Part NumberManufacturer
8400-14 PRIMARY John Chadwick Corporation Dba Chadwick John Corp (USA)
Related Parts
6920-00-191-0771INTERCHANGEABLE
CAP
10022493
4730-00-200-0531INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
12268167
5930-01-143-2487INTERCHANGEABLE
SWITCH,PUSH
01-700152

Frequently Asked Questions

What is NSN 6650-01-604-9068?

NSN 6650-01-604-9068 is a Eyepiece Assembly,optical Instru, manufactured by John Chadwick Corporation Dba Chadwick John Corp, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-604-9068?

NSN 6650-01-604-9068 has 1 cross-referenced part number: 8400-14 (John Chadwick Corporation Dba Chadwick John Corp).

What NSN replaces 6650-01-604-9068?

There are 3 known substitutes for 6650-01-604-9068: 6920-00-191-0771, 4730-00-200-0531, 5930-01-143-2487. Verify interchangeability with system specifications before substitution.

What are the specifications of 8400-14?

Key specifications for 8400-14: Focusing Type: ADJUSTABLE; End Item Identification: CONSOL GSE; Diopter Scale: NOT INCLUDED; Part Name Assigned by Controlling Agency: EYEPIECE. 4 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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