The Cover,access, cataloged under National Stock Number 5340-01-257-5170, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-257-5170 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Length | 41.550 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-83286,TYPE 1 COLOR NO. 36270 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance Between Holes Along Length | 1.020 INCHES NOMINAL AND 5.000 INCHES NOMINAL AND 6.790 INCHES NOMINAL AND 7.766 INCHES NOMINAL IN |
| Hole Quantity Along Length | 14 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 TEM T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Features Provided | OBSERVATION FACILITY AND SPECIAL MARKING |
| Securing Device Type | SPECIAL |
| Hole Quantity Along Width | 10 |
| Distance From First Hole Centerline to End Along Length | 2.380 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.2501 INCHES MINIMUM AND 0.2507 INCHES MAXIMUM IN |
| Body Thickness | 0.090 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 2903494-2 | 3/2 Design control — primary reference U.S. Government activity |
| 2903494-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-257-5170 is a Cover,access, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-257-5170: Length: 41.550 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-83286,TYPE 1 COLOR NO. 36270 MIL SPEC SINGLE TREATMENT RESPONSE; Distance Between Holes Along Length: 1.020 INCHES NOMINAL AND 5.000 INCHES NOMINAL AND 6.790 INCHES NOMINAL AND 7.766 INCHES NOMINAL IN; Hole Quantity Along Length: 14. 16 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.
NSN 5340-01-257-5170 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.