The Purifier Unit,air, cataloged under National Stock Number 4460-01-328-4938, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4460-01-328-4938 |
| Primary Part Number | 68D110059-1003 |
| Item Name | Purifier Unit,air |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | A MOLECULAR SIEVE OXYGEN GENERATING SYSTEM THAT PROVIDES BREATHING GAS TO ACFT PILOTS BY SEPARATING PRECONDITIONED ENGINE BLEED AIR INTO IT'S GASEOUS COMPONENTS THROUGH THE ACTION OF MOLECULAR SIEVE BEDS; FILTERED AIR IS DELIVERED TO COCKPIT AT PILOTS DEMAND; INCLUDES A CONCENTRATOR AND A REGULATOR |
| Reference Data and Literature | TO 1F-15A-4-6; 40V3-6-1 A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 68D110059-1003 PRIMARY | The Boeing Company Div Defense (USA) |
| 68D110059-1001 | The Boeing Company Div Defense (USA) |
NSN 4460-01-328-4938 is a Purifier Unit,air, manufactured by The Boeing Company Div Defense, classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-328-4938 has 2 manufacturer part numbers on file: 68D110059-1003 (The Boeing Company Div Defense), 68D110059-1001 (The Boeing Company Div Defense).
Key specifications for 68D110059-1003: General Characteristics Item Description: A MOLECULAR SIEVE OXYGEN GENERATING SYSTEM THAT PROVIDES BREATHING GAS TO ACFT PILOTS BY SEPARATING PRECONDITIONED ENGINE BLEED AIR INTO IT'S GASEOUS COMPONENTS THROUGH THE ACTION OF MOLECULAR SIEVE BEDS; FILTERED AIR IS DELIVERED TO COCKPIT AT PILOTS DEMAND; INCLUDES A CONCENTRATOR AND A REGULATOR; Reference Data and Literature: TO 1F-15A-4-6; 40V3-6-1 A; Special Features: PRESSURE: 30 - 120 PSIG; TEMP: -15 - +130 DEG. F; FLOW RATE: SHALL NOT EXCEED 2.0 LBS/MIN AVG. AT 33 PSIG INLET PRESSURE,4.0 LBS/MIN AVG. AT 55-120 PSIG INLET PRESSURE,MAX. FLOWS ARE 4.0 AND 8.0 LBS/MIN. ACTION ID 45442137; ACTION ID 45539713 LBS; Part Name Assigned by Controlling Agency: CART, GROUND OPERATIONS, MSOGS. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.