The Cover,access, cataloged under National Stock Number 5340-00-366-3523, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-366-3523 |
| Primary Part Number | 8058255 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Corner Radius | 0.375 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 2.000 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT W/OPEN CENTER |
| Features Provided | SEALING CAPABILITY |
| Securing Device Type | THREADED FASTENER |
| Body Radius | 0.875 INCHES NOMINAL IN |
| Material | IRON MALLEABLE |
| Hole Diameter | 0.313 INCHES NOMINAL IN |
| Body Thickness | 0.250 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 |
|---|---|
| 8058255 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 8058255 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
| 8058255 | 5/9 Secondary reference General Motors Corp |
NSN 5340-00-366-3523 is a Cover,access, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-366-3523 has 1 manufacturer part number on file: 8058255 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 8058255: Corner Radius: 0.375 INCHES NOMINAL IN; Distance Between Holes Along Length: 2.000 INCHES NOMINAL IN; Mounting Opening Shape Style: UNTHREADED HOLE; Cross-Sectional Shape Style: FLAT W/OPEN CENTER. 10 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.