The Cover,access, cataloged under National Stock Number 5340-01-505-5178, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-505-5178 |
| Primary Part Number | 8576C23H02 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 8 |
| Cross-Sectional Shape Style | FLAT |
| Outside Diameter | 10.650 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Bolt Circle Diameter | 9.650 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | STEEL |
| Body Thickness | 1.000 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 |
|---|---|
| 4D98023 ITEM 101 | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| 8576C23H02 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| 4D98023 ITEM 81 | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| Reference | Meaning |
|---|---|
| 4D98023 | D/9 Drawing number reference only Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
NSN 5340-01-505-5178 is a Cover,access, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-505-5178 has 3 manufacturer part numbers on file: 4D98023 ITEM 101 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), 8576C23H02 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), 4D98023 ITEM 81 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
5 possible matches (shared part number, not a government interchangeability claim): 5305-01-505-5288, 3120-01-505-7596, 5930-01-510-9737. Verify interchangeability with system specifications before substitution.
Key specifications for 8576C23H02: Bolt Circle Hole Quantity: 8; Cross-Sectional Shape Style: FLAT; Outside Diameter: 10.650 INCHES NOMINAL IN; Securing Device Type: THREADED FASTENER. 8 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.