The Cover,access, cataloged under National Stock Number 5340-01-121-8203, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-121-8203 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 3 |
| Cross-Sectional Shape Style | FLAT |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Securing Device Type | SPECIAL |
| Bolt Circle Diameter | 3.360 INCHES MINIMUM AND 3.390 INCHES MAXIMUM IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM ALLOY 1100 |
| Body Thickness | 0.031 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 |
|---|---|
| A-B395-1 | 3/9 Design control — primary reference Alfa Laval Inc. |
| 3N-354 PIECE 135 | 5/9 Secondary reference Alfa Laval Inc. |
| A-B3951-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-121-8203 is a Cover,access, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-121-8203: Bolt Circle Hole Quantity: 3; Cross-Sectional Shape Style: FLAT; Outside Diameter: 4.000 INCHES NOMINAL IN; Securing Device Type: SPECIAL. 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.