PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71-2030Telescope,straight

Keuffel and Esser Co · NSN 6650-01-261-0389 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-261-0389 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-261-0389. Primary manufacturer part number: 71-2030.
Features
  • Telescope,straight — FSC 6650
  • Magnification: 4.0X MINIMUM AND 46.0X MAXIMUM
  • Optical Device Type: LENS
  • Bracket: NOT PROVIDED
  • Carrying Case: NOT PROVIDED
  • Scale Markings: PROVIDED
  • 2 verified cross-references
  • Primary manufacturer: Keuffel and Esser Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Telescope,straight, cataloged under National Stock Number 6650-01-261-0389, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Keuffel and Esser Co. Government technical data includes 5 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-261-0389
Primary Part Number71-2030
Item NameTelescope,straight
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerKeuffel and Esser Co
StatusACTIVE
Magnification4.0X MINIMUM AND 46.0X MAXIMUM
Optical Device TypeLENS
BracketNOT PROVIDED
Carrying CaseNOT PROVIDED
Scale MarkingsPROVIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6650-00-021-95552022 INTERCHANGEABLE
Telescope,straight
Brunson Instrument Company Dba Brunson Instrument Company
5950-00-133-056971-2030 INTERCHANGEABLE
Transformer,radio Frequency
Macdonald, Dettwiler and Associates Corporation Div Space Missions Montreal
5330-00-458-4809712030 INTERCHANGEABLE
Gasket
Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines
3110-00-561-0938B-3424-D INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
5935-00-837-443651989 INTERCHANGEABLE
Connector Body,plug,electrical
Magnetika Inc Div Magnetika/phillipsburg Location
5950-00-932-4480122888-1 INTERCHANGEABLE
Coil,radio Frequency
Cubic Defense Applications, Inc.
6650-01-129-288683 INTERCHANGEABLE
Telescope,alignment
Brunson Instrument Company Dba Brunson Instrument Co
6650-01-200-9672 INTERCHANGEABLE
Telescope,straight
Cross-Reference Index
Part NumberManufacturer
6650-1212-2000 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
71-2030 PRIMARY Keuffel and Esser Co (USA)
Related Parts
6650-00-021-9555INTERCHANGEABLE
TELESCOPE,STRAIGHT
2022
5950-00-133-0569INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
71-2030
5330-00-458-4809INTERCHANGEABLE
GASKET
712030
3110-00-561-0938INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-3424-D
5935-00-837-4436INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
51989
5950-00-932-4480INTERCHANGEABLE
COIL,RADIO FREQUENCY
122888-1
6650-01-129-2886INTERCHANGEABLE
TELESCOPE,ALIGNMENT
83
6650-01-200-9672INTERCHANGEABLE
TELESCOPE,STRAIGHT

Frequently Asked Questions

What is NSN 6650-01-261-0389?

NSN 6650-01-261-0389 is a Telescope,straight, manufactured by Keuffel and Esser Co, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-261-0389?

NSN 6650-01-261-0389 has 2 cross-referenced part numbers: 6650-1212-2000 (Defense Supply Center Richmond Industrial Plant Equipment /dla/), 71-2030 (Keuffel and Esser Co).

What NSN replaces 6650-01-261-0389?

There are 8 known substitutes for 6650-01-261-0389: 6650-00-021-9555, 5950-00-133-0569, 5330-00-458-4809 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71-2030?

Key specifications for 71-2030: Magnification: 4.0X MINIMUM AND 46.0X MAXIMUM; Optical Device Type: LENS; Bracket: NOT PROVIDED; Carrying Case: NOT PROVIDED. 5 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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