PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

381-1Telescope,alignment

Brunson Instrument Company Dba Brunson Instrument Co · NSN 6650-00-434-0188 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-00-434-0188 — this item is cataloged by the U.S. Government under National Stock Number 6650-00-434-0188. Primary manufacturer part number: 381-1.
Features
  • Telescope,alignment — FSC 6650
  • General Characteristics Item Description: LG 9.500 IN.; MAG 30.0X AT INFINITY; ERECTED IMAGE; COATED OPTICS; APERATURE 0.925 IN.; RESOLUTION 6.0 SEC; FIEL OF VIEW 1.0 DEG AT INFINITY; 3.0 MM AT 2.000 IN.; RETICLE-GLASS,FILAR BI-FILAR; FOCUSING RG 2.000 IN.; AUTO-COLLIMATION AND AUTO-REFLECTION; W/RIGHT ANGLE SWIVEL EYEPIECE,HARDWOOD CASE,PLASTIC HOOD,INSTRUCTION BOOK,LIGHTING ATTACHMENT LOW V LAMP W/TRANSFORMER AND CORD TO 110.0 V,60.0 HZ PWR V
  • 1 verified cross-reference
  • Primary manufacturer: Brunson Instrument Company Dba Brunson Instrument Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Telescope,alignment, cataloged under National Stock Number 6650-00-434-0188, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Brunson Instrument Company Dba Brunson Instrument Co. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-00-434-0188
Primary Part Number381-1
Item NameTelescope,alignment
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerBrunson Instrument Company Dba Brunson Instrument Co
StatusACTIVE
General Characteristics Item DescriptionLG 9.500 IN.; MAG 30.0X AT INFINITY; ERECTED IMAGE; COATED OPTICS; APERATURE 0.925 IN.; RESOLUTION 6.0 SEC; FIEL OF VIEW 1.0 DEG AT INFINITY; 3.0 MM AT 2.000 IN.; RETICLE-GLASS,FILAR BI-FILAR; FOCUSING RG 2.000 IN.; AUTO-COLLIMATION AND AUTO-REFLECTION; W/RIGHT ANGLE SWIVEL EYEPIECE,HARDWOOD CASE,PLASTIC HOOD,INSTRUCTION BOOK,LIGHTING ATTACHMENT LOW V LAMP W/TRANSFORMER AND CORD TO 110.0 V,60.0 HZ PWR V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-064-2447UG477U INTERCHANGEABLE
Connector,receptacle,electrical
Joint Electronics Type Designation System
4820-00-070-6924381-1 INTERCHANGEABLE
Valve,angle
Admiral Valve Llc Dba Cpv Manufacturing
5977-00-212-5871 INTERCHANGEABLE
Brush,slip Ring
2815-00-273-058518-258 INTERCHANGEABLE
Ring,piston
Dresser Industries Inc Leroi Div
6940-00-303-55393811 INTERCHANGEABLE
Switch Assembly,limit
Scientific Atlanta Inc
1005-00-344-62543811 INTERCHANGEABLE
Sear
Smith & Wesson Sales Company
6680-00-399-26963811 INTERCHANGEABLE
Plunger Assembly,pump
King Engineering Corporation Dba King-Gage Systems
5950-00-615-398363065 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
7360-00-999-98844346 INTERCHANGEABLE
Handle,lifting,body
Bootz Mfg Co Inc
2910-01-238-264533811 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
381-1 PRIMARY Brunson Instrument Company Dba Brunson Instrument Co (USA)
Related Parts
5935-00-064-2447INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
UG477U
4820-00-070-6924INTERCHANGEABLE
VALVE,ANGLE
381-1
5977-00-212-5871INTERCHANGEABLE
BRUSH,SLIP RING
2815-00-273-0585INTERCHANGEABLE
RING,PISTON
18-258
6940-00-303-5539INTERCHANGEABLE
SWITCH ASSEMBLY,LIMIT
3811
1005-00-344-6254INTERCHANGEABLE
SEAR
3811
6680-00-399-2696INTERCHANGEABLE
PLUNGER ASSEMBLY,PUMP
3811
5950-00-615-3983INTERCHANGEABLE
TRANSFORMER,POWER
63065
7360-00-999-9884INTERCHANGEABLE
HANDLE,LIFTING,BODY
4346
2910-01-238-2645INTERCHANGEABLE
FILTER ELEMENT,FLUID
33811
5915-01-316-0429INTERCHANGEABLE
FILTER,BAND PASS
3811
3040-01-370-6846INTERCHANGEABLE
PLATE,RETAINING,SHAFT
381-1

Frequently Asked Questions

What is NSN 6650-00-434-0188?

NSN 6650-00-434-0188 is a Telescope,alignment, manufactured by Brunson Instrument Company Dba Brunson Instrument Co, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-00-434-0188?

NSN 6650-00-434-0188 has 1 cross-referenced part number: 381-1 (Brunson Instrument Company Dba Brunson Instrument Co).

What NSN replaces 6650-00-434-0188?

There are 12 known substitutes for 6650-00-434-0188: 5935-00-064-2447, 4820-00-070-6924, 5977-00-212-5871 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 381-1?

Key specifications for 381-1: General Characteristics Item Description: LG 9.500 IN.; MAG 30.0X AT INFINITY; ERECTED IMAGE; COATED OPTICS; APERATURE 0.925 IN.; RESOLUTION 6.0 SEC; FIEL OF VIEW 1.0 DEG AT INFINITY; 3.0 MM AT 2.000 IN.; RETICLE-GLASS,FILAR BI-FILAR; FOCUSING RG 2.000 IN.; AUTO-COLLIMATION AND AUTO-REFLECTION; W/RIGHT ANGLE SWIVEL EYEPIECE,HARDWOOD CASE,PLASTIC HOOD,INSTRUCTION BOOK,LIGHTING ATTACHMENT LOW V LAMP W/TRANSFORMER AND CORD TO 110.0 V,60.0 HZ PWR V. 1 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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