The Cover,access, cataloged under National Stock Number 5340-01-213-1909, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-213-1909 |
| Primary Part Number | A51B99003-409 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Length | 21.000 INCHES NOMINAL IN |
| Hole Quantity Along Length | 14 |
| Features Provided | SEALING CAPABILITY |
| Securing Device Type | THREADED FASTENER |
| Hole Quantity Along Width | 18 |
| Peripheral Shape Style | RECTANGLE, ROUNDED CORNERS, MULTI HOLES |
| Width | 29.000 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 |
|---|---|
| A51B99003-409 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51B99003-409 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51B99003-409 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5340-01-213-1909 is a Cover,access, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-213-1909 has 1 manufacturer part number on file: A51B99003-409 (Northrop Grumman Systems Corporation).
Key specifications for A51B99003-409: Length: 21.000 INCHES NOMINAL IN; Hole Quantity Along Length: 14; Features Provided: SEALING CAPABILITY; Securing Device Type: THREADED FASTENER. 7 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.