The Cover,access, cataloged under National Stock Number 5340-01-490-1942, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-490-1942 |
| Primary Part Number | 7-511171020-21 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.550 INCHES NOMINAL IN |
| Corner Radius | 0.250 INCHES NOMINAL IN |
| Length | 5.980 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 4.880 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 8.620 INCHES NOMINAL IN |
| Distance From First Hole Centerline to End Along Length | 0.550 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, FOUR HOLES |
| Width | 9.720 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7-511171020-21 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-511171020 | D/9 Drawing number reference only The Boeing Company |
NSN 5340-01-490-1942 is a Cover,access, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-490-1942 has 1 manufacturer part number on file: 7-511171020-21 (The Boeing Company).
Key specifications for 7-511171020-21: Distance From First Hole Centerline to End Along Width: 0.550 INCHES NOMINAL IN; Corner Radius: 0.250 INCHES NOMINAL IN; Length: 5.980 INCHES NOMINAL IN; Distance Between Holes Along Length: 4.880 INCHES NOMINAL IN. 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.
NSN 5340-01-490-1942 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.