The Cover,access, cataloged under National Stock Number 5340-01-355-4028, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-355-4028 |
| Primary Part Number | 9M789M181-4 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flange Thickness | 0.040 INCHES NOMINAL IN |
| First Recess Inside Height | 0.720 INCHES NOMINAL IN |
| Outside Diameter | 1.810 INCHES NOMINAL IN |
| Bolt Hole Centerline to Nearest Edge Distance | 0.905 INCHES NOMINAL IN |
| Inside Diameter | 0.760 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, ONE HOLE |
| Material | ALUMINUM AND STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 9M789M181-4 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10105170 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-355-4028 is a Cover,access, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-355-4028 has 1 manufacturer part number on file: 9M789M181-4 (The Boeing Company Div Defense).
Key specifications for 9M789M181-4: Flange Thickness: 0.040 INCHES NOMINAL IN; First Recess Inside Height: 0.720 INCHES NOMINAL IN; Outside Diameter: 1.810 INCHES NOMINAL IN; Bolt Hole Centerline to Nearest Edge Distance: 0.905 INCHES NOMINAL IN. 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.
NSN 5340-01-355-4028 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.