The Filter Unit,air Purification Sys, cataloged under National Stock Number 4460-01-490-1984, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Lenox Instrument Co., Inc.. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4460-01-490-1984 |
| Primary Part Number | 6515A-112-NAV |
| Item Name | Filter Unit,air Purification Sys |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Lenox Instrument Co., Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | PART NUMBERS FOR ASSY ITEMS ARE 703-0012,506-0001,703-0008,703-0007,703-0006,703-0005,703-0004,703-0003,703-0038,703-0001,702-0011,702-0003,702-0002,701-0013,701-0012,701-0011 |
| Accessory Components and Quantity | 1 BUSHING;1 PRESSURE SWITCH;2 1/2 INCH NPT UNIONS;2 1/2 INCH NPT TEES;3 90 DEGREE 1/2 INCH NPT ELBOWS;6 11/2 INCH IRON 1/2 INCH NPT NIPPLES;4 2 INCH IRON 1/2 INCH NPT NIPPLES;1 3 INCH IRON 1/2 INCH NPT NIPPLES;2 4 INCH IRON 1/2 INCH NPT NIPPLES;1 6 INCH IRON 1/2 INCH NPT NIPPLE;1 REGULATOR EXCELON SERIES;1 1/2 INCH NPT DIVERTER VALVE;2 1/2 INCH CHECK VALVES;1 EXCELON COALESING FILTER;AND 2 5 MICRON EXCELON FILTERS IN |
| 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 |
|---|---|
| 6515A-112-NAV PRIMARY | Lenox Instrument Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6515A-102-NAV | 5/9 Secondary reference Lenox Instrument Co., Inc. |
| 6515A-102-RT | 5/9 Secondary reference Lenox Instrument Co., Inc. |
| 100-D-1744 | D/9 Drawing number reference only Lenox Instrument Co., Inc. |
NSN 4460-01-490-1984 is a Filter Unit,air Purification Sys, manufactured by Lenox Instrument Co., Inc., classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-490-1984 has 1 manufacturer part number on file: 6515A-112-NAV (Lenox Instrument Co., Inc.).
Key specifications for 6515A-112-NAV: General Characteristics Item Description: PART NUMBERS FOR ASSY ITEMS ARE 703-0012,506-0001,703-0008,703-0007,703-0006,703-0005,703-0004,703-0003,703-0038,703-0001,702-0011,702-0003,702-0002,701-0013,701-0012,701-0011; Accessory Components and Quantity: 1 BUSHING;1 PRESSURE SWITCH;2 1/2 INCH NPT UNIONS;2 1/2 INCH NPT TEES;3 90 DEGREE 1/2 INCH NPT ELBOWS;6 11/2 INCH IRON 1/2 INCH NPT NIPPLES;4 2 INCH IRON 1/2 INCH NPT NIPPLES;1 3 INCH IRON 1/2 INCH NPT NIPPLES;2 4 INCH IRON 1/2 INCH NPT NIPPLES;1 6 INCH IRON 1/2 INCH NPT NIPPLE;1 REGULATOR EXCELON SERIES;1 1/2 INCH NPT DIVERTER VALVE;2 1/2 INCH CHECK VALVES;1 EXCELON COALESING FILTER;AND 2 5 MICRON EXCELON FILTERS IN; Part Name Assigned by Controlling Agency: AIR FILTRATION SYSTEM ASSEMBLY FOR USE WITH RETRACT; End Item Identification: CCTV. 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.