The Cover,access, cataloged under National Stock Number 5340-00-157-4043, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-157-4043 |
| Primary Part Number | 232936 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Flange Thickness | 0.188 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 6 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT, ROUND RIB REINFORCED |
| Outside Diameter | 4.188 INCHES NOMINAL IN |
| Features Provided | SEALING CAPABILITY |
| Bolt Circle Diameter | 3.688 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY |
| Hole Diameter | 0.156 INCHES NOMINAL IN |
| Body Thickness | 0.250 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 |
NSN 5340-00-157-4043 is a Cover,access, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-157-4043 has 2 manufacturer part numbers on file: 232936 (Lockheed Martin Corporation Div Rms - Mitchel Field), 417685PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 232936: Flange Thickness: 0.188 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 6; Mounting Opening Shape Style: UNTHREADED HOLE; Cross-Sectional Shape Style: FLAT, ROUND RIB REINFORCED. 12 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.