The Cover,access, cataloged under National Stock Number 5340-00-005-4972, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Circor Pumps North America 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-005-4972 |
| Primary Part Number | S506EA |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 8 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT |
| Outside Diameter | 5.422 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Bolt Circle Diameter | 5.000 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | STEEL |
| Hole Diameter | 0.281 INCHES NOMINAL IN |
| Body Thickness | 0.500 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 |
|---|---|
| S506EA PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| S506EA | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 5340-00-005-4972 is a Cover,access, manufactured by Circor Pumps North America Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-005-4972 has 1 manufacturer part number on file: S506EA (Circor Pumps North America Llc).
Key specifications for S506EA: Bolt Circle Hole Quantity: 8; Mounting Opening Shape Style: UNTHREADED HOLE; Cross-Sectional Shape Style: FLAT; Outside Diameter: 5.422 INCHES NOMINAL IN. 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.