The Cover,access, cataloged under National Stock Number 5340-00-166-0020, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-166-0020 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.252 INCHES NOMINAL IN |
| Length | 6.180 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance Between Holes Along Length | 0.450 INCHES NOMINAL AND 1.237 INCHES NOMINAL AND 1.687 INCHES NOMINAL AND 1.688 INCHES NOMINAL AND 0.075 INCHES NOMINAL AND 0.644 INCHES NOMINAL IN |
| Flange Thickness | 0.100 INCHES NOMINAL IN |
| First Recess Inside Height | 0.546 INCHES NOMINAL IN |
| Hole Quantity Along Length | 10 |
| Distance Between Holes Along Width | 0.469 INCHES NOMINAL AND 1.104 INCHES NOMINAL AND 0.062 INCHES NOMINAL AND 1.219 INCHES NOMINAL AND 0.468 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECESS, SAME SHAPE AS THE PERIPHERY |
| Hole Quantity Along Width | 11 |
| Distance From First Hole Centerline to End Along Length | 0.218 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 3.880 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.169 INCHES NOMINAL AND 0.196 INCHES NOMINAL IN |
| Body Thickness | 0.060 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 |
|---|---|
| 633338-1 | 3/2 Design control — primary reference U.S. Government activity |
| 633338-1 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 5340-00-166-0020 is a Cover,access, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-166-0020: Distance From First Hole Centerline to End Along Width: 0.252 INCHES NOMINAL IN; Length: 6.180 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE; Distance Between Holes Along Length: 0.450 INCHES NOMINAL AND 1.237 INCHES NOMINAL AND 1.687 INCHES NOMINAL AND 1.688 INCHES NOMINAL AND 0.075 INCHES NOMINAL AND 0.644 INCHES NOMINAL IN. 19 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.