The Cover,access, cataloged under National Stock Number 5340-00-350-9256, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-350-9256 |
| Primary Part Number | 59590088 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Hole Quantity Along Length | 2 |
| Distance Between Hole Centers | 1.125 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT W/OPEN CENTER |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Bolt Hole Centerline to Nearest Edge Distance | 0.312 INCHES NOMINAL IN |
| Features Provided | SEALING CAPABILITY |
| Securing Device Type | THREADED FASTENER |
| Surface Treatment | OXIDE |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | STEEL |
| Hole Diameter | 0.188 INCHES NOMINAL IN |
| Body Thickness | 0.094 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 |
| Part Number | Manufacturer |
|---|---|
| 59590088 | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 10-32993 | 5/9 Secondary reference Unison Industries Llc |
| 10-32993 | 3/9 Design control — primary reference Continental Aerospace Technologies, Inc. |
| 59590088 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
| 5959-0088 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
| 10-32993 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5340-00-350-9256 is a Cover,access, manufactured by Cooper Machinery Services Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-350-9256 has 1 manufacturer part number on file: 59590088 (Cooper Machinery Services Llc).
Key specifications for 59590088: Hole Quantity Along Length: 2; Distance Between Hole Centers: 1.125 INCHES NOMINAL IN; Mounting Opening Shape Style: UNTHREADED HOLE; Cross-Sectional Shape Style: FLAT W/OPEN CENTER. 13 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.