The Cover,access, cataloged under National Stock Number 5340-01-291-4556, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-291-4556 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.435 INCHES NOMINAL IN |
| Corner Radius | 0.440 INCHES NOMINAL IN |
| Length | 3.620 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 2.750 INCHES NOMINAL IN |
| Flange Thickness | 0.171 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| First Recess Inside Height | 0.571 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 2.750 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Securing Device Type | SPECIAL |
| Inside Diameter | 2.495 INCHES MINIMUM AND 2.505 INCHES MAXIMUM IN |
| Distance From First Hole Centerline to End Along Length | 0.435 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, FOUR HOLES |
| Width | 3.620 INCHES NOMINAL IN |
| Outside Corner Radius | 0.120 INCHES MAXIMUM IN |
| Material | STEEL COMP 1008 |
| Hole Diameter | 0.340 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Body Thickness | 0.171 INCHES MINIMUM AND 0.187 INCHES MAXIMUM 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-CF4021-1 | 5/9 Secondary reference L.b.t., Inc. |
| A-CF4021-1 | 3/9 Design control — primary reference Fruehauf Corp Fruehauf Trailer Opns |
NSN 5340-01-291-4556 is a Cover,access, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-291-4556: Distance From First Hole Centerline to End Along Width: 0.435 INCHES NOMINAL IN; Corner Radius: 0.440 INCHES NOMINAL IN; Length: 3.620 INCHES NOMINAL IN; Distance Between Holes Along Length: 2.750 INCHES NOMINAL IN. 18 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.