The Cover,access, cataloged under National Stock Number 5340-01-346-1682, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-346-1682 |
| Primary Part Number | 123-4645266 ITEM 1L1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Flange Thickness | 3.880 INCHES NOMINAL IN |
| Inside Corner Radius | 3.750 INCHES NOMINAL IN |
| First Recess Inside Height | 1.380 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Outside Diameter | 34.750 INCHES NOMINAL IN |
| Bolt Hole Centerline to Nearest Edge Distance | 17.375 INCHES NOMINAL IN |
| Inside Diameter | 25.250 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, ONE HOLE |
| Material | STEEL |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 123-4645266 ITEM 1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 4645266-0001L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 4645266-0001 | 3/1 Design control — primary reference U.S. Government activity |
| 123-4645266 ITEM 1 | 5/1 Secondary reference U.S. Government activity |
NSN 5340-01-346-1682 is a Cover,access, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-346-1682 has 2 manufacturer part numbers on file: 123-4645266 ITEM 1L1 (Naval Inventory Control Point Mechanicsburg), 4645266-0001L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 123-4645266 ITEM 1L1: Flange Thickness: 3.880 INCHES NOMINAL IN; Inside Corner Radius: 3.750 INCHES NOMINAL IN; First Recess Inside Height: 1.380 INCHES NOMINAL IN; Criticality Code Justification: ZZZY. 11 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.