The Plug,vent, cataloged under National Stock Number 5340-01-657-3976, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hosexpress, Inc.. Government technical data includes 3 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 | 5340-01-657-3976 |
| Primary Part Number | SSBV-18 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hosexpress, Inc. |
| Status | ACTIVE |
| Refinement Medium Type | FILTERING |
| Vent Hole Shape | ROUND |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| SSBV-18 PRIMARY | Hosexpress, Inc. (USA) |
NSN 5340-01-657-3976 is a Plug,vent, manufactured by Hosexpress, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-657-3976 has 1 manufacturer part number on file: SSBV-18 (Hosexpress, Inc.).
Key specifications for SSBV-18: Refinement Medium Type: FILTERING; Vent Hole Shape: ROUND; Part Name Assigned by Controlling Agency: SSBV-18-1/8 INC NPT STAINLESS STEEL BREATHER VENT; Material: STEEL CORROSION RESISTING. 3 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.