The Cap,filler Opening, cataloged under National Stock Number 5340-01-699-6871, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Wisco Products Inc. Government technical data includes 7 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-699-6871 |
| Primary Part Number | 4891-5 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Wisco Products Inc |
| Status | ACTIVE |
| Retaining Device Type | CHAIN |
| Outside Diameter | 2.430 INCHES NOMINAL IN |
| Features Provided | BREATHER HOLE |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL CORROSION RESISTING CHAIN |
| Material | RUBBER NEOPRENE GASKET |
| Retaining Device Length | 6.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 4891-5 PRIMARY | Wisco Products Inc (USA) |
NSN 5340-01-699-6871 is a Cap,filler Opening, manufactured by Wisco Products Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-699-6871 has 1 manufacturer part number on file: 4891-5 (Wisco Products Inc).
Key specifications for 4891-5: Retaining Device Type: CHAIN; Outside Diameter: 2.430 INCHES NOMINAL IN; Features Provided: BREATHER HOLE; Part Name Assigned by Controlling Agency: FUEL TANK CAP, VENTED. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.