The Cover,access, cataloged under National Stock Number 5340-01-285-0563, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 9 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-285-0563 |
| Primary Part Number | 639AS3893 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Inside Width | 1.360 INCHES NOMINAL IN |
| Length | 1.470 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN |
| Flange Thickness | 0.016 INCHES NOMINAL IN |
| First Recess Inside Height | 0.133 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A319 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A619 ASSN STD 2ND MATERIAL RESPONSE |
| Peripheral Shape Style | RECTANGLE, NO HOLES |
| Width | 1.220 INCHES NOMINAL IN |
| Material | STEEL COMP 1009 OR STEEL |
| Body Thickness | 0.016 INCHES NOMINAL IN |
| 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 |
|---|---|
| 639AS3893 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5340-01-285-0563 is a Cover,access, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-285-0563 has 1 manufacturer part number on file: 639AS3893 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 639AS3893: Inside Width: 1.360 INCHES NOMINAL IN; Length: 1.470 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN; Flange Thickness: 0.016 INCHES NOMINAL IN; First Recess Inside Height: 0.133 INCHES NOMINAL IN. 9 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.