The Cover,fluid Filter, cataloged under National Stock Number 2940-00-982-9553, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-982-9553 |
| Primary Part Number | 8H1459 |
| Item Name | Cover,fluid Filter |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Flange Thickness | 0.625 INCHES NOMINAL IN |
| Inside Corner Radius | 2.250 INCHES NOMINAL IN |
| First Recess Inside Height | 1.562 INCHES NOMINAL IN |
| Hole Quantity Along Length | 1 |
| Mounting Hole Type and Quantity | 1 PLAIN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | SPHERICAL RECESS |
| Outside Diameter | 5.125 INCHES NOMINAL IN |
| Inside Diameter | 4.375 INCHES NOMINAL IN |
| Fluid Filter Element Retainer | NOT INCLUDED |
| Peripheral Shape Style | CIRCULAR |
| Material | ALUMINUM |
| Hole Diameter | 0.562 INCHES NOMINAL IN |
| Attachment Method | BOLTED |
| Body Thickness | 0.500 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 |
|---|---|
| 8H1459 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2940-00-982-9553 is a Cover,fluid Filter, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-982-9553 has 1 manufacturer part number on file: 8H1459 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 8H1459: Flange Thickness: 0.625 INCHES NOMINAL IN; Inside Corner Radius: 2.250 INCHES NOMINAL IN; First Recess Inside Height: 1.562 INCHES NOMINAL IN; Hole Quantity Along Length: 1. 15 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.