The Plug,vent, cataloged under National Stock Number 5340-01-176-4137, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Kirby - Smith Machinery, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-176-4137 |
| Primary Part Number | 1124274C1 |
| Item Name | Plug,vent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Kirby - Smith Machinery, Inc. |
| Status | ACTIVE |
| Vent Hole Diameter | 0.370 INCHES NOMINAL IN |
| Length | 1.250 INCHES NOMINAL IN |
| Vent Hole Shape | ROUND |
| End Connection Type | UNTHREADED |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Inside Diameter | 0.088 INCHES NOMINAL IN |
| Material | STEEL |
| Vent Hole Quantity | 1 |
| 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 |
|---|---|
| 1124274C1 | Komatsu America Corp. (USA) |
| 1124274C1 | Dressta North America Ltd (USA) |
| 1124274C1 | Government Contracts, Llc (USA) |
| 1124274C1 PRIMARY | Kirby - Smith Machinery, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1124274C1 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 5340-01-176-4137 is a Plug,vent, manufactured by Kirby - Smith Machinery, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-176-4137 has 4 manufacturer part numbers on file: 1124274C1 (Komatsu America Corp.), 1124274C1 (Dressta North America Ltd), 1124274C1 (Government Contracts, Llc), 1124274C1 (Kirby - Smith Machinery, Inc.).
Key specifications for 1124274C1: Vent Hole Diameter: 0.370 INCHES NOMINAL IN; Length: 1.250 INCHES NOMINAL IN; Vent Hole Shape: ROUND; End Connection Type: UNTHREADED. 8 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.