PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66191Gn-6 Metricel Membrane Filter

Pall Gelman Laboratory · NSN 6550-01-554-2916 · FSC 6550 · No Item Name Available
Verified by PartsTable
NSN 6550-01-554-2916 — this item is cataloged by the U.S. Government under National Stock Number 6550-01-554-2916. Primary manufacturer part number: 66191.
Features
  • Gn-6 Metricel Membrane Filter — FSC 6550
  • Overall Diameter: 47.0 MILLIMETERS NOMINAL MM
  • 1 verified cross-reference
  • Primary manufacturer: Pall Gelman Laboratory
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Gn-6 Metricel Membrane Filter, cataloged under National Stock Number 6550-01-554-2916, is classified within Federal Supply Class 6550 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Pall Gelman Laboratory. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6550-01-554-2916
Primary Part Number66191
Item NameGn-6 Metricel Membrane Filter
FSC / FSG6550 / 65 — No Item Name Available
ManufacturerPall Gelman Laboratory
StatusACTIVE
Overall Diameter47.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-202-826066191 INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5342-01-038-2710 INTERCHANGEABLE
Mount,resilient,weapon System
5360-01-119-485199136453 INTERCHANGEABLE
Spring
Alfa Laval Inc
1650-01-473-1479 INTERCHANGEABLE
Motor,hydraulic
5315-01-608-243366191 INTERCHANGEABLE
Pin,straight,headed
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
66191 PRIMARY Pall Gelman Laboratory (USA)
Related Parts
4820-00-202-8260INTERCHANGEABLE
VALVE,SAFETY RELIEF
66191
5342-01-038-2710INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5360-01-119-4851INTERCHANGEABLE
SPRING
99136453
1650-01-473-1479INTERCHANGEABLE
MOTOR,HYDRAULIC
5315-01-608-2433INTERCHANGEABLE
PIN,STRAIGHT,HEADED
66191

Frequently Asked Questions

What is NSN 6550-01-554-2916?

NSN 6550-01-554-2916 is a Gn-6 Metricel Membrane Filter, manufactured by Pall Gelman Laboratory, classified under FSC 6550 (No Item Name Available). Status: active.

What are the part numbers for NSN 6550-01-554-2916?

NSN 6550-01-554-2916 has 1 cross-referenced part number: 66191 (Pall Gelman Laboratory).

What NSN replaces 6550-01-554-2916?

There are 5 known substitutes for 6550-01-554-2916: 4820-00-202-8260, 5342-01-038-2710, 5360-01-119-4851 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66191?

Key specifications for 66191: Overall Diameter: 47.0 MILLIMETERS NOMINAL MM; End Item Identification: TURKISH GOVERNMENT; Special Features: MIXED CELLULOSE ESTERS, FOR AIR SAMPLES AND MICROBIOLOGICAL ANALYSIS, MEETS US EPA AND ASTM SPECIFICATIONS, AUTOCLAVABLE. 3 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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