The Cover,access, cataloged under National Stock Number 5340-01-185-9417, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-185-9417 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 9 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Outside Diameter | 8.500 INCHES NOMINAL IN |
| Bolt Circle Diameter | 7.000 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | NICKEL ALLOY |
| Hole Diameter | 0.812 INCHES NOMINAL IN |
| Body Thickness | 2.062 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 |
| Reference | Meaning |
|---|---|
| 2640-633X1-6 | 5/2 Secondary reference U.S. Government activity |
| 2640-633X1 PIECE 6 | 3/2 Design control — primary reference U.S. Government activity |
| SS845-2050971 | D/9 Drawing number reference only U.S. Government activity |
| 2640-633X1 | D/9 Drawing number reference only U.S. Government activity |
NSN 5340-01-185-9417 is a Cover,access, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-185-9576. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-185-9417: Bolt Circle Hole Quantity: 9; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: FLAT. 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.