The Cover,access, cataloged under National Stock Number 5340-00-900-2578, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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: AY.
| Parameter | Value |
|---|---|
| NSN | 5340-00-900-2578 |
| Primary Part Number | 5117499 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Corner Radius | 0.530 INCHES NOMINAL IN |
| Length | 9.950 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 6 |
| Inside Corner Radius | 1.000 INCHES NOMINAL IN |
| Distance Between Hole Centerline and First Hole Along Length | 6.500 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 10.375 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Securing Device Type | THREADED FASTENER |
| Inside Diameter | 3.600 INCHES NOMINAL IN |
| Distance Between Hole Centerline and First Hole Along Width | 2.250 INCHES NOMINAL IN |
| Peripheral Shape Style | IRREGULAR PENTAGON, FIVE HOLES |
| Width | 13.609 INCHES NOMINAL IN |
| Material | IRON CAST |
| Hole Diameter | 0.531 INCHES NOMINAL IN |
| Body Thickness | 2.220 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 | AY |
| Part Number | Manufacturer |
|---|---|
| 5117499 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5117499 | 5/9 Secondary reference General Motors Corp |
NSN 5340-00-900-2578 is a Cover,access, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-900-2578 has 1 manufacturer part number on file: 5117499 (Rolls-Royce Solutions America Inc).
Key specifications for 5117499: Corner Radius: 0.530 INCHES NOMINAL IN; Length: 9.950 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 6; Inside Corner Radius: 1.000 INCHES NOMINAL IN. 16 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.