The Cover,access, cataloged under National Stock Number 5340-00-796-2253, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-796-2253 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| FSC Application Data | AIRFRAME,ACFT,B52 |
| Surface Treatment Document and Classification | MIL-M-3171 TYPE I MIL SPEC SINGLE TREATMENT RESPONSE |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-M-44 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | OBLONG RECESS |
| Features Provided | SPECIAL MARKING |
| Securing Device Type | TURNLOCK FASTENER |
| Surface Treatment | DICHROMATE |
| Material | MAGNESIUM ALLOY AZ31B |
| Hole Diameter | 0.540 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 |
|---|---|
| 24-1863 | 3/2 Design control — primary reference U.S. Government activity |
| 24-1863 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-796-2253 is a Cover,access, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-346-8328. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-796-2253: FSC Application Data: AIRFRAME,ACFT,B52; Surface Treatment Document and Classification: MIL-M-3171 TYPE I MIL SPEC SINGLE TREATMENT RESPONSE; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: QQ-M-44 FED SPEC SINGLE MATERIAL RESPONSE. 10 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 5340-00-796-2253 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.