The Cap,filler Opening, cataloged under National Stock Number 2930-01-037-6986, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Wisco Products Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Cap,filler Opening |
| FSC / FSG | 2930 — Engine Cooling System Components, Nonaircraft (FSG 29) |
| Manufacturers | Amz Alabama Inc. (CAGE 076M6); Wisco Products Inc (CAGE 10203) |
| Parameter | Value |
|---|---|
| NSN | 2930-01-037-6986 |
| Primary Part Number | C3920-2 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Wisco Products Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4178679 | Amz Alabama Inc. (USA) |
| C3920-2 PRIMARY | Wisco Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 4CSC14DH1 | 5/9 Secondary reference Wisco Products Inc |
| 10082704 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2930010376986 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 4178679 | 5/2 Secondary reference U.S. Government activity |
NSN 2930-01-037-6986 is a Cap,filler Opening, manufactured by Wisco Products Inc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-037-6986 has 2 manufacturer part numbers on file: 4178679 (Amz Alabama Inc.), C3920-2 (Wisco Products Inc).
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.