The Filter Element,fluid, cataloged under National Stock Number 4330-00-973-3591, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Testek Llc Dba Testek Solutions. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-973-3591 |
| Primary Part Number | 15644C2 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | ACTIVE |
| Filtering Media Design | MULTIPLE STACKED DISKS SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 5.095 INCHES NOMINAL IN |
| Body Overall Length | 8.312 INCHES NOMINAL IN |
| Flow Direction | OUTSIDE IN |
| Design Type | LIMITED |
| Style Designator | MULTIPLE STACKED DISKS, W/OUT CLEANING BLADES |
| Body Inside Diameter | 1.375 INCHES NOMINAL IN |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | PLASTIC FILTERING MEDIUM |
| 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 |
|---|---|
| 10107504-001 | Us Army Aviation and Missile Command (USA) |
| 15644C2 PRIMARY | Testek Llc Dba Testek Solutions (USA) |
NSN 4330-00-973-3591 is a Filter Element,fluid, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-973-3591 has 2 manufacturer part numbers on file: 10107504-001 (Us Army Aviation and Missile Command), 15644C2 (Testek Llc Dba Testek Solutions).
Key specifications for 15644C2: Filtering Media Design: MULTIPLE STACKED DISKS SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 5.095 INCHES NOMINAL IN; Body Overall Length: 8.312 INCHES NOMINAL IN; Flow Direction: OUTSIDE IN. 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.