The Cover,access, cataloged under National Stock Number 5340-01-509-0740, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-509-0740 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 3.167 INCHES NOMINAL IN |
| Inside Width | 11.750 INCHES NOMINAL IN |
| Length | 12.750 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 1.063 INCHES NOMINAL IN |
| Flange Thickness | 0.063 INCHES NOMINAL IN |
| First Recess Inside Height | 0.125 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 4.557 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECESS, SAME SHAPE AS THE PERIPHERY |
| Securing Device Type | HINGE |
| Distance From First Hole Centerline to End Along Length | 1.250 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, FOUR HOLES |
| Width | 12.750 INCHES NOMINAL IN |
| Material | STEEL COMP 316 |
| Body Thickness | 0.063 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 |
| Reference | Meaning |
|---|---|
| 637-7529564 ITEM 2 | D/9 Drawing number reference only Naval Sea Systems Command |
| JE125LLAS13 | 5/2 Secondary reference U.S. Government activity |
| JE-125 12 X 12 CRES 316 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-509-0740 is a Cover,access, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-509-0740: Distance From First Hole Centerline to End Along Width: 3.167 INCHES NOMINAL IN; Inside Width: 11.750 INCHES NOMINAL IN; Length: 12.750 INCHES NOMINAL IN; Distance Between Holes Along Length: 1.063 INCHES NOMINAL IN. 14 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.