PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6535-2Cell,optical Element

Lenox Instrument Co., Inc. · NSN 6650-01-515-6137 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-515-6137 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-515-6137. Primary manufacturer part number: 6535-2.
Features
  • Cell,optical Element — 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 Cell,optical Element, cataloged under National Stock Number 6650-01-515-6137, 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
NSN6650-01-515-6137
Primary Part Number6535-2
Item NameCell,optical Element
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerLenox Instrument Co., Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-730-62793-4HP22GT INTERCHANGEABLE
Valve,ball
Portland Valve Llc
1650-01-315-6878 INTERCHANGEABLE
Pump,axial Pistons
7510-01-389-2262680-SH2 INTERCHANGEABLE
Tab,signal
3m Company
5325-01-416-273565352 INTERCHANGEABLE
Ring,retaining
Colt's Manufacturing Company, Llc
Cross-Reference Index
Part NumberManufacturer
6535-2 PRIMARY Lenox Instrument Co., Inc. (USA)
Related Parts
4820-00-730-6279INTERCHANGEABLE
VALVE,BALL
3-4HP22GT
1650-01-315-6878INTERCHANGEABLE
PUMP,AXIAL PISTONS
7510-01-389-2262INTERCHANGEABLE
TAB,SIGNAL
680-SH2
5325-01-416-2735INTERCHANGEABLE
RING,RETAINING
65352

Frequently Asked Questions

What is NSN 6650-01-515-6137?

NSN 6650-01-515-6137 is a Cell,optical Element, manufactured by Lenox Instrument Co., Inc., classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-515-6137?

NSN 6650-01-515-6137 has 1 cross-referenced part number: 6535-2 (Lenox Instrument Co., Inc.).

What NSN replaces 6650-01-515-6137?

There are 4 known substitutes for 6650-01-515-6137: 4820-00-730-6279, 1650-01-315-6878, 7510-01-389-2262 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6535-2?

Key specifications for 6535-2: Special Features: 1.3750 IN DIA X 35 IN LONG; CONTAINS A MALE COUPLING ON ONE END, WHICH WILL INTERFACE WITH EITHER THE EYEPIECE SECTION ON THE EXTENDER SECTION 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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