The Cover,access, cataloged under National Stock Number 5340-01-343-7273, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-343-7273 |
| Primary Part Number | SY080010ER30M PIECE 4L1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Length | 2.250 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A216 ASSN STD SINGLE MATERIAL RESPONSE |
| Securing Device Type | THREADED FASTENER |
| Peripheral Shape Style | DIAMOND, ROUNDED CORNERS, TWO HOLES |
| 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 |
|---|---|
| SY080010ER30M PIECE 4L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| SY305003L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| SY080010ER30M PIECE 4 | 5/1 Secondary reference Haywardindl. Products, Inc. |
| SY305003 | 3/1 Design control — primary reference Haywardindl. Products, Inc. |
NSN 5340-01-343-7273 is a Cover,access, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-343-7273 has 2 manufacturer part numbers on file: SY080010ER30M PIECE 4L1 (Naval Inventory Control Point Mechanicsburg), SY305003L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-412-7595. Verify interchangeability with system specifications before substitution.
Key specifications for SY080010ER30M PIECE 4L1: Length: 2.250 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Material Document and Classification: ASTM A216 ASSN STD SINGLE MATERIAL RESPONSE; Securing Device Type: THREADED FASTENER. 7 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.