The Plug,vent, cataloged under National Stock Number 5340-00-445-0680, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5340-00-445-0680 |
| Primary Part Number | 21374 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | CANCELLED |
| Thread Class | 2A A |
| Vent Hole Quantity | 1 |
| Refinement Device Type | FILTER DISK |
| Vent Hole Shape | ROUND |
| End Connection Type | THREADED |
| Length | 0.609 INCHES NOMINAL IN |
| Inside Diameter | 0.219 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Vent Hole Diameter | 0.219 INCHES NOMINAL IN |
| Outside Diameter | 0.391 INCHES NOMINAL IN |
| Refinement Medium Type | STRAINING |
| Thread Size and Series/type Designator | 0.375-27 UNS |
| Material | COPPER ALLOY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5340-00-445-0680 is a Plug,vent, manufactured by Cummins Inc., classified under FSC 5340 (No Item Name Available). Status: cancelled.
NSN 5340-00-445-0680 has 3 cross-referenced part numbers: 21374 (Cummins Inc.), BM66402 (Cummins Inc.), BM55534 (Cummins Inc.).
There are 7 known substitutes for 5340-00-445-0680: 3110-00-100-5538, 2920-01-183-6195, 5950-01-399-7260 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21374: Thread Class: 2A A; Vent Hole Quantity: 1; Refinement Device Type: FILTER DISK; Vent Hole Shape: ROUND. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5340-00-445-0680 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.