The Cap,filler Opening, cataloged under National Stock Number 2930-01-081-2998, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Mitsubishi Caterpillar Forklift America, Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-01-081-2998 |
| Primary Part Number | 311119 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Mitsubishi Caterpillar Forklift America, Inc |
| Status | ACTIVE |
| Accommodation Type | LUGS END GRIPPING |
| Overall Diameter | 3.600 INCHES NOMINAL IN |
| Style Designator | INSIDE CAM TYPE W/ LUGS |
| Outside Diameter | 2.815 INCHES NOMINAL IN |
| Cam Quantity | 2 |
| Features Provided | SEAL |
| System for Which Designed | PRESSURIZED |
| Pressure Relief Method | AUTOMATIC |
| Maximum Working Pressure | 15.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | COPPER ALLOY AND STEEL BODY |
| Sealing Length | 0.650 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 |
|---|---|
| 311119 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 311119 PRIMARY | Mitsubishi Caterpillar Forklift America, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1146 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Controls Electronic Systems, Inc. |
| 689505 | 5/9 Secondary reference Mitsubishi Caterpillar Forklift America, Inc |
| 689505 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2930-01-081-2998 is a Cap,filler Opening, manufactured by Mitsubishi Caterpillar Forklift America, Inc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-081-2998 has 2 manufacturer part numbers on file: 311119 (Caterpillar Inc Div Caterpillar Defense), 311119 (Mitsubishi Caterpillar Forklift America, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-306-3824. Verify interchangeability with system specifications before substitution.
Key specifications for 311119: Overall Height: 1.135 INCHES NOMINAL IN; Accommodation Type: LUGS END GRIPPING; Overall Diameter: 3.600 INCHES NOMINAL IN; Style Designator: INSIDE CAM TYPE W/ LUGS. 11 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.