PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6535-4Angle Attachment,borescope

Lenox Instrument Co., Inc. · NSN 6650-01-515-6141 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-515-6141 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-515-6141. Primary manufacturer part number: 6535-4.
Features
  • Angle Attachment,borescope — FSC 6650
  • 1 verified cross-reference
  • Primary manufacturer: Lenox Instrument Co., Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Angle Attachment,borescope, cataloged under National Stock Number 6650-01-515-6141, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lenox Instrument Co., Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-515-6141
Primary Part Number6535-4
Item NameAngle Attachment,borescope
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerLenox Instrument Co., Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2815-00-273-063365354 INTERCHANGEABLE
Ring,piston
Cummins Inc.
5961-01-026-8966SM-A-790767 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6515-01-373-8659416-100 INTERCHANGEABLE
Cover,electronic Thermometer Pro
American Diagnostic Corporation
5905-01-512-91026535-4 INTERCHANGEABLE
Resistor,thermal
Edro Corporation, the Dba Edro Corp
Cross-Reference Index
Part NumberManufacturer
6535-4 PRIMARY Lenox Instrument Co., Inc. (USA)
Related Parts
2815-00-273-0633INTERCHANGEABLE
RING,PISTON
65354
5961-01-026-8966INTERCHANGEABLE
TRANSISTOR
SM-A-790767
6515-01-373-8659INTERCHANGEABLE
COVER,ELECTRONIC THERMOMETER PRO
416-100
5905-01-512-9102INTERCHANGEABLE
RESISTOR,THERMAL
6535-4

Frequently Asked Questions

What is NSN 6650-01-515-6141?

NSN 6650-01-515-6141 is a Angle Attachment,borescope, manufactured by Lenox Instrument Co., Inc., classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-515-6141?

NSN 6650-01-515-6141 has 1 cross-referenced part number: 6535-4 (Lenox Instrument Co., Inc.).

What NSN replaces 6650-01-515-6141?

There are 4 known substitutes for 6650-01-515-6141: 2815-00-273-0633, 5961-01-026-8966, 6515-01-373-8659 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6535-4?

Key specifications for 6535-4: Special Features: 1.3750 IN DIA X 8.5 IN LONG IN; End Item Identification: BOILER INSPECTION DEVICE. 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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