PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

36-5520Filter Assembly,neutral Density

Davidson Optronics Inc. Dba Doi Venture · NSN 6760-01-239-8070 · FSC 6760 · No Item Name Available
Verified by PartsTable
NSN 6760-01-239-8070 — this item is cataloged by the U.S. Government under National Stock Number 6760-01-239-8070. Primary manufacturer part number: 36-5520.
Features
  • Filter Assembly,neutral Density — FSC 6760
  • General Characteristics Item Description: 2.0 NEUTRAL DENSITY
  • 3 verified cross-references
  • Primary manufacturer: Davidson Optronics Inc. Dba Doi Venture
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Assembly,neutral Density, cataloged under National Stock Number 6760-01-239-8070, is classified within Federal Supply Class 6760 (No Item Name Available) of the Photographic Equipment group. The primary manufacturer of record is Davidson Optronics Inc. Dba Doi Venture. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN6760-01-239-8070
Primary Part Number36-5520
Item NameFilter Assembly,neutral Density
FSC / FSG6760 / 67 — No Item Name Available
ManufacturerDavidson Optronics Inc. Dba Doi Venture
StatusACTIVE
General Characteristics Item Description2.0 NEUTRAL DENSITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-141-0051 INTERCHANGEABLE
Conduit Outlet
5307-00-208-7046365520 INTERCHANGEABLE
Stud,plain
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
6515-00-400-7501 INTERCHANGEABLE
Bag,reservoir,inhalation Therapy
5340-00-426-30541573 INTERCHANGEABLE
Key Blank
Ni Industries Inc Hq Vernon Div
6610-00-680-8325649-0049-901 INTERCHANGEABLE
Case Assy,gyro Hori
Acron Aviation, Inc.
2940-00-891-19201573 INTERCHANGEABLE
Filter,fluid
Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division
5910-00-901-8796 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
3020-01-057-95211573 INTERCHANGEABLE
Pulley,scanner
Gifft T H Co Inc
2910-01-238-0923 INTERCHANGEABLE
Carburetor,float
5305-01-479-26271573 INTERCHANGEABLE
Screw,cap,hexagon Head
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
1573 Optical Instruments Corp Sub of Sigma Research Inc (USA)
36-5520 PRIMARY Davidson Optronics Inc. Dba Doi Venture (USA)
36-5520 Optical Instruments Corp Sub of Sigma Research Inc (USA)
Related Parts
5975-00-141-0051INTERCHANGEABLE
CONDUIT OUTLET
5307-00-208-7046INTERCHANGEABLE
STUD,PLAIN
365520
6515-00-400-7501INTERCHANGEABLE
BAG,RESERVOIR,INHALATION THERAPY
5340-00-426-3054INTERCHANGEABLE
KEY BLANK
1573
6610-00-680-8325INTERCHANGEABLE
CASE ASSY,GYRO HORI
649-0049-901
2940-00-891-1920INTERCHANGEABLE
FILTER,FLUID
1573
5910-00-901-8796INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
3020-01-057-9521INTERCHANGEABLE
PULLEY,SCANNER
1573
2910-01-238-0923INTERCHANGEABLE
CARBURETOR,FLOAT
5305-01-479-2627INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1573
5330-01-579-4912INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
1573
6640-01-583-4739INTERCHANGEABLE
SYRINGE,LABORATORY
20734

Frequently Asked Questions

What is NSN 6760-01-239-8070?

NSN 6760-01-239-8070 is a Filter Assembly,neutral Density, manufactured by Davidson Optronics Inc. Dba Doi Venture, classified under FSC 6760 (No Item Name Available). Status: active.

What are the part numbers for NSN 6760-01-239-8070?

NSN 6760-01-239-8070 has 3 cross-referenced part numbers: 1573 (Optical Instruments Corp Sub of Sigma Research Inc), 36-5520 (Davidson Optronics Inc. Dba Doi Venture), 36-5520 (Optical Instruments Corp Sub of Sigma Research Inc).

What NSN replaces 6760-01-239-8070?

There are 12 known substitutes for 6760-01-239-8070: 5975-00-141-0051, 5307-00-208-7046, 6515-00-400-7501 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 36-5520?

Key specifications for 36-5520: General Characteristics Item Description: 2.0 NEUTRAL DENSITY; End Item Identification: NAVAL AIR ENGINEERING CENTER,MODEL SC 65 CAMERA. 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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