The Filter Element,intake Air Cleane, cataloged under National Stock Number 4310-01-509-3740, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4310-01-509-3740 |
| Primary Part Number | 437-7409500-AY-1-28 |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Overall Length | 14.125 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Body Thickness | 0.625 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 |
|---|---|
| 437-7409500-AY-1-28 PRIMARY | Naval Sea Systems Command (USA) |
| 06-1102-10402 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| 437-7409500 | D/9 Drawing number reference only Naval Sea Systems Command |
| B673-3001 | D/9 Drawing number reference only U.S. Government activity |
| B673-3001-AY-1-28 | 5/2 Secondary reference U.S. Government activity |
NSN 4310-01-509-3740 is a Filter Element,intake Air Cleane, manufactured by Naval Sea Systems Command, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-509-3740 has 2 manufacturer part numbers on file: 437-7409500-AY-1-28 (Naval Sea Systems Command), 06-1102-10402 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 437-7409500-AY-1-28: Body Overall Length: 14.125 INCHES NOMINAL IN; Design Type: REUSABLE; Style Designator: RECTANGULAR (INCL SQUARE); Overall Width: 12.125 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.