The Filter Element,intake Air Cleane, cataloged under National Stock Number 4310-01-537-7050, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is K & N Engineering, Inc. Dba Aem Induction. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-537-7050 |
| Primary Part Number | E-3120 |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | K & N Engineering, Inc. Dba Aem Induction |
| Status | ACTIVE |
| Body Diameter | 3.875 INCHES NOMINAL IN |
| Body Overall Length | 2.000 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL W/CLOSED ENDS |
| Body Inside Diameter | 2.875 INCHES NOMINAL 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 |
|---|---|
| E-3120 PRIMARY | K & N Engineering, Inc. Dba Aem Induction (USA) |
| Reference | Meaning |
|---|---|
| K&NE3120 | 5/9 Secondary reference K & N Engineering, Inc. Dba Aem Induction |
| RIA150940 | D/9 Drawing number reference only Army, United States Department of the Dba Rock Island Arsenal Jmtc |
NSN 4310-01-537-7050 is a Filter Element,intake Air Cleane, manufactured by K & N Engineering, Inc. Dba Aem Induction, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-537-7050 has 1 manufacturer part number on file: E-3120 (K & N Engineering, Inc. Dba Aem Induction).
Key specifications for E-3120: Body Diameter: 3.875 INCHES NOMINAL IN; Body Overall Length: 2.000 INCHES NOMINAL IN; Style Designator: CYLINDRICAL W/CLOSED ENDS; Body Inside Diameter: 2.875 INCHES NOMINAL IN. 4 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.