The Patch,mechanical,rigid Surface, cataloged under National Stock Number 5342-01-527-4059, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-527-4059 |
| Primary Part Number | 9M186-4 |
| Item Name | Patch,mechanical,rigid Surface |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Patch Plate Material Thickness | 0.022 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Patch Plate Diameter | 1.310 INCHES NOMINAL IN |
| Features Provided | PATCH PLATE KEYED ANTITURN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9M186-4 | The Boeing Company Div Defense (USA) |
| 9M186-4 | Jomico Tool & Mfg. Co. Dba Jomico Metal Fabricators (USA) |
| Reference | Meaning |
|---|---|
| A6915-1024-502 | 5/9 Secondary reference Asi Aerospace Group, Inc. Dba Barco Aviation |
| A6915-1024-502 | 3/9 Design control — primary reference Tinnerman Palnut Engineered Products, Inc. |
NSN 5342-01-527-4059 is a Patch,mechanical,rigid Surface, manufactured by The Boeing Company Div Defense, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-527-4059 has 2 manufacturer part numbers on file: 9M186-4 (The Boeing Company Div Defense), 9M186-4 (Jomico Tool & Mfg. Co. Dba Jomico Metal Fabricators).
Key specifications for 9M186-4: Patch Plate Material Thickness: 0.022 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN; Patch Plate Diameter: 1.310 INCHES NOMINAL IN; Features Provided: PATCH PLATE KEYED ANTITURN. 4 specifications are documented in the U.S. Government catalog.
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.