The Purifier Unit,air, cataloged under National Stock Number 4460-00-438-9229, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4460-00-438-9229 |
| Primary Part Number | AF24HANDDRIVEN |
| Item Name | Purifier Unit,air |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots |
| Status | ACTIVE |
| General Characteristics Item Description | AIR CIRCULATING PUMP SHALL HANDLE 65 CFM OF AIR;CANNISTER LIFE SHALL BE 36 MAN HOURS ON CONSUMPTION RATE OF 1.65 CU. FT. PER MAN HOUR |
| 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 |
|---|---|
| AF24HANDDRIVEN | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA) |
| Reference | Meaning |
|---|---|
| 501150 | 3/9 Design control — primary reference M S a Research Div of Mine Safety Appliances Co |
NSN 4460-00-438-9229 is a Purifier Unit,air, manufactured by Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots, classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-00-438-9229 has 1 manufacturer part number on file: AF24HANDDRIVEN (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-693-2553, 2530-01-324-0690. Verify interchangeability with system specifications before substitution.
Key specifications for AF24HANDDRIVEN: Overall Height: 30.000 INCHES NOMINAL IN; General Characteristics Item Description: AIR CIRCULATING PUMP SHALL HANDLE 65 CFM OF AIR;CANNISTER LIFE SHALL BE 36 MAN HOURS ON CONSUMPTION RATE OF 1.65 CU. FT. PER MAN HOUR; Overall Length: 24.000 INCHES NOMINAL IN; Overall Width: 19.000 INCHES NOMINAL IN. 1 specification is 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.