PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41251Filter,signal Light

Hanovia Specialty Lighting Llc · NSN 5850-00-174-2858 · FSC 5850 · No Item Name Available
Verified by PartsTable
NSN 5850-00-174-2858 — this item is cataloged by the U.S. Government under National Stock Number 5850-00-174-2858. Primary manufacturer part number: 41251.
Features
  • Filter,signal Light — FSC 5850
  • Edge Type: GROUND
  • Material: GLASS
  • Overall Diameter: 7.937 INCHES MINIMUM AND 8.031 INCHES MAXIMUM IN
  • Top/bottom Gasket: NOT INCLUDED
  • Color: YELLOW
  • Overall Thickness: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
  • Polarization Feature: NOT INCLUDED
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Area illumination
  • Indicator and warning display
General Description

The Filter,signal Light, cataloged under National Stock Number 5850-00-174-2858, is classified within Federal Supply Class 5850 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Hanovia Specialty Lighting Llc. Government technical data includes 7 verified specifications, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5850-00-174-2858
Primary Part Number41251
Item NameFilter,signal Light
FSC / FSG5850 / 58 — No Item Name Available
ManufacturerHanovia Specialty Lighting Llc
StatusACTIVE
Edge TypeGROUND
MaterialGLASS
Overall Diameter7.937 INCHES MINIMUM AND 8.031 INCHES MAXIMUM IN
Top/bottom GasketNOT INCLUDED
ColorYELLOW
Overall Thickness0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Polarization FeatureNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3040-00-104-48381771037 INTERCHANGEABLE
Clamp,hub
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1680-00-347-0425 INTERCHANGEABLE
Screwjack Assy,actu
6340-00-605-4108 INTERCHANGEABLE
Mounting Bracket
3930-00-776-992809-41251 INTERCHANGEABLE
Ring,lock
Tvh Parts Co.
4920-01-014-303341251 INTERCHANGEABLE
Lens Cell Assembly
Recon/optical, Inc. Dba Pacific Optical
2990-01-351-826041378 INTERCHANGEABLE
Pipe,exhaust
Walker Mfg Co
5330-01-355-685241251 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Elliott & Frantz, Inc.
3990-01-407-8267 INTERCHANGEABLE
Roller,material Handling
6515-01-478-228241251 INTERCHANGEABLE
Support,knee
Bioskin, Llc
Cross-Reference Index
Part NumberManufacturer
41251 PRIMARY Hanovia Specialty Lighting Llc (USA)
Related Parts
3040-00-104-4838INTERCHANGEABLE
CLAMP,HUB
1771037
1680-00-347-0425INTERCHANGEABLE
SCREWJACK ASSY,ACTU
6340-00-605-4108INTERCHANGEABLE
MOUNTING BRACKET
3930-00-776-9928INTERCHANGEABLE
RING,LOCK
09-41251
4920-01-014-3033INTERCHANGEABLE
LENS CELL ASSEMBLY
41251
2990-01-351-8260INTERCHANGEABLE
PIPE,EXHAUST
41378
5330-01-355-6852INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
41251
3990-01-407-8267INTERCHANGEABLE
ROLLER,MATERIAL HANDLING
6515-01-478-2282INTERCHANGEABLE
SUPPORT,KNEE
41251

Frequently Asked Questions

What is NSN 5850-00-174-2858?

NSN 5850-00-174-2858 is a Filter,signal Light, manufactured by Hanovia Specialty Lighting Llc, classified under FSC 5850 (No Item Name Available). Status: active.

What are the part numbers for NSN 5850-00-174-2858?

NSN 5850-00-174-2858 has 1 cross-referenced part number: 41251 (Hanovia Specialty Lighting Llc).

What NSN replaces 5850-00-174-2858?

There are 9 known substitutes for 5850-00-174-2858: 3040-00-104-4838, 1680-00-347-0425, 6340-00-605-4108 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41251?

Key specifications for 41251: Edge Type: GROUND; Material: GLASS; Overall Diameter: 7.937 INCHES MINIMUM AND 8.031 INCHES MAXIMUM IN; Top/bottom Gasket: NOT INCLUDED. 7 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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