NSN 4460-01-525-6474 — this item is cataloged by the U.S. Government under National Stock Number 4460-01-525-6474. Manufacturer of record part number: TB 77.
Also searched as4460-01-525-6474 ·
4460015256474 ·
NIIN 015256474 ·
01-525-6474 ·
FSC 4460 Air Purification Equipment · CAGE 1QL48 · TB 77
The Purifier Unit,air, cataloged under National Stock Number 4460-01-525-6474, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Isolation Systems Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4460-01-525-6474
Primary Part Number
TB 77
Item Name
Purifier Unit,air
FSC / FSG
4460 / 44 — Air Purification Equipment
Manufacturer
Isolation Systems Inc
Status
ACTIVE
General Characteristics Item Description
PORTABLE ISOLATION UNIT; COMPLETE AIR CHANGE EVERY 6 SECONDS; 38 IN WIDE; 76 IN HIGH; 55 IN LONG; 2.75 AMPS; 110/220 VOLTS; 330 WATTS; 2 HOURS OPTIONAL BATTERY TIME; 700 CUBIC FEET/MINUTE AIR FLOW; 280 LBS LBS
Other items in FSC 4460 — Air Purification Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4460-00-001-2698
COLLECTOR,DUST
4460-00-001-2699
4460-00-001-2699 · Item name not on file
4460-00-001-6316
4460-00-001-6316 · Item name not on file
4460-00-005-2316
4460-00-005-2316 · Item name not on file
4460-00-005-5393
4460-00-005-5393 · Item name not on file
4460-00-007-1499
FILTER ASSEMBLY,CONTROL VALVE,CA
4460-00-007-9027
4460-00-007-9027 · Item name not on file
4460-00-008-7403
4460-00-008-7403 · Item name not on file
Frequently Asked Questions
What is NSN 4460-01-525-6474?
NSN 4460-01-525-6474 is a Purifier Unit,air, manufactured by Isolation Systems Inc, classified under FSC 4460, Air Purification Equipment. Status: active.
What part numbers are listed for NSN 4460-01-525-6474?
NSN 4460-01-525-6474 has 1 manufacturer part number on file: TB 77 (Isolation Systems Inc).
What are the specifications of TB 77?
Key specifications for TB 77: General Characteristics Item Description: PORTABLE ISOLATION UNIT; COMPLETE AIR CHANGE EVERY 6 SECONDS; 38 IN WIDE; 76 IN HIGH; 55 IN LONG; 2.75 AMPS; 110/220 VOLTS; 330 WATTS; 2 HOURS OPTIONAL BATTERY TIME; 700 CUBIC FEET/MINUTE AIR FLOW; 280 LBS LBS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4460-01-525-6474 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.