The Cover,access, cataloged under National Stock Number 5340-01-443-1321, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share 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 | 5340-01-443-1321 |
| Primary Part Number | 211788 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Length | 3.2500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | SPECIAL |
| Surface Treatment | CHROMATE |
| Width | 3.0000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.2750 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN |
| Body Thickness | 0.0930 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 |
| Part Number | Manufacturer |
|---|---|
| 211788 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5340-01-443-1321 is a Cover,access, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-443-1321 has 1 manufacturer part number on file: 211788 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-469-0537, 4730-01-482-0055. Verify interchangeability with system specifications before substitution.
Key specifications for 211788: Length: 3.2500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE; Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE. 11 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.