PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

720BLaminar Flow Bench

Pure Aire Corporation · NSN 4920-01-246-8334 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-246-8334 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-246-8334. Primary manufacturer part number: 720B.
Features
  • Laminar Flow Bench — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Pure Aire Corporation
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Laminar Flow Bench, cataloged under National Stock Number 4920-01-246-8334, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Pure Aire Corporation. 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.

Catalog Facts
Item NameLaminar Flow Bench
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersPure Aire Corporation (CAGE 20225)
Technical Specifications
ParameterValue
NSN4920-01-246-8334
Primary Part Number720B
Item NameLaminar Flow Bench
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerPure Aire Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6625-00-001-6927720B INTERCHANGEABLE
Meter,field Strength
General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division
3830-00-218-0158 INTERCHANGEABLE
Vane,rotor
1650-00-564-0393720B INTERCHANGEABLE
Valve Assembly,fuel
Auto-Valve, Inc
5975-01-049-62552122 INTERCHANGEABLE
Box Connector,electrical
Raco, a Division of Hubbell Incorporated(delaware)
6665-01-585-5566720B INTERCHANGEABLE
Detector,gas
Test Products International Inc. Dba Tpi
Cross-Reference Index
Part NumberManufacturer
720B Pure Aire Corporation (USA)
Related Parts
6625-00-001-6927INTERCHANGEABLE
METER,FIELD STRENGTH
720B
3830-00-218-0158INTERCHANGEABLE
VANE,ROTOR
1650-00-564-0393INTERCHANGEABLE
VALVE ASSEMBLY,FUEL
720B
5975-01-049-6255INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2122
6665-01-585-5566INTERCHANGEABLE
DETECTOR,GAS
720B

Frequently Asked Questions

What is NSN 4920-01-246-8334?

NSN 4920-01-246-8334 is a Laminar Flow Bench, manufactured by Pure Aire Corporation, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-246-8334?

NSN 4920-01-246-8334 has 1 cross-referenced part number: 720B (Pure Aire Corporation).

What NSN replaces 4920-01-246-8334?

There are 5 known substitutes for 4920-01-246-8334: 6625-00-001-6927, 3830-00-218-0158, 1650-00-564-0393 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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