The Compressed Air Purification Unit, cataloged under National Stock Number 4460-01-422-6871, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Lawrence Factor, Inc. Dba Lawrence Factor 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4460-01-422-6871 |
| Primary Part Number | AF-531-113 |
| Item Name | Compressed Air Purification Unit |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Lawrence Factor, Inc. Dba Lawrence Factor Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MAX CFM 40; MAX OPERATING TEMP 120 DEG F; TENSILE STRENGTH 83000; MIN WP 2000, MAX WP 5000 CYLINDER MATL ALUMNINUM DEGF |
| 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 |
|---|---|
| AF-531-113 PRIMARY | Lawrence Factor, Inc. Dba Lawrence Factor Inc (USA) |
| Reference | Meaning |
|---|---|
| AF-531-113 | 5/9 Secondary reference Lawrence Factor Inc |
NSN 4460-01-422-6871 is a Compressed Air Purification Unit, manufactured by Lawrence Factor, Inc. Dba Lawrence Factor Inc, classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-422-6871 has 1 manufacturer part number on file: AF-531-113 (Lawrence Factor, Inc. Dba Lawrence Factor Inc).
Key specifications for AF-531-113: Overall Height: 38.000 INCHES NOMINAL IN; General Characteristics Item Description: MAX CFM 40; MAX OPERATING TEMP 120 DEG F; TENSILE STRENGTH 83000; MIN WP 2000, MAX WP 5000 CYLINDER MATL ALUMNINUM DEGF; Overall Width: 30.000 INCHES NOMINAL IN; Special Features: POSITIONED AT OUTLET OF COMPRESSOR; USED BY SCUBA DIVERS, PILOT AIR, FIRE AND RESCUE WORKERS, HAZARDOUS ENVIROMENT WORKERS. 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.