The Cover,access, cataloged under National Stock Number 5340-01-157-2341, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-157-2341 |
| Primary Part Number | 810-4385058 PIECE 2L1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 15 |
| Criticality Code Justification | ZZZY |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | MIL-C-20150 TY 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 16.125 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Bolt Circle Diameter | 13.750 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | COPPER |
| Hole Diameter | 1.188 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I 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 |
|---|---|
| 810-4385058 PIECE 2L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 803-4385058-X-002L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 803-4385058 PIECE 2L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 803-4385058PIECE2 | 3/1 Design control — primary reference U.S. Government activity |
| 803-4385058-X-002 | 5/1 Secondary reference U.S. Government activity |
NSN 5340-01-157-2341 is a Cover,access, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-157-2341 has 2 manufacturer part numbers on file: 810-4385058 PIECE 2L1 (Naval Inventory Control Point Mechanicsburg), 803-4385058-X-002L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-164-9850. Verify interchangeability with system specifications before substitution.
Key specifications for 810-4385058 PIECE 2L1: Bolt Circle Hole Quantity: 15; Criticality Code Justification: ZZZY; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: MIL-C-20150 TY 1 MIL SPEC SINGLE MATERIAL RESPONSE. 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.