The Filter Element,intake Air Cleane, cataloged under National Stock Number 4310-01-078-9865, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Leroi International Inc Dba Compair Leroi. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-078-9865 |
| Primary Part Number | H43-662-A |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Leroi International Inc Dba Compair Leroi |
| Status | ACTIVE |
| Filtering Media Design | PLEATED ALL FILTERING MEDIA RESPONSES |
| Body Diameter | 4.400 INCHES NOMINAL IN |
| Body Overall Length | 2.250 INCHES NOMINAL IN |
| Design Type | LIMITED |
| Style Designator | CYLINDRICAL W/CLOSED ENDS |
| Body Inside Diameter | 3.020 INCHES NOMINAL IN |
| Material | PAPER FILTERING MEDIUM |
| Material | STEEL FRAME |
| Material | STEEL SCREENING |
| 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 |
|---|---|
| H43-662-A PRIMARY | Leroi International Inc Dba Compair Leroi (USA) |
| Reference | Meaning |
|---|---|
| H43-662-A | 5/9 Secondary reference Dresser Industries Inc Leroi Div |
NSN 4310-01-078-9865 is a Filter Element,intake Air Cleane, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-078-9865 has 1 manufacturer part number on file: H43-662-A (Leroi International Inc Dba Compair Leroi).
Key specifications for H43-662-A: Filtering Media Design: PLEATED ALL FILTERING MEDIA RESPONSES; Body Diameter: 4.400 INCHES NOMINAL IN; Body Overall Length: 2.250 INCHES NOMINAL IN; Design Type: LIMITED. 9 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.