The Cover,access, cataloged under National Stock Number 5340-01-056-4703, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-056-4703 |
| Primary Part Number | 312307-2 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.500 INCHES NOMINAL IN |
| Corner Radius | 0.250 INCHES NOMINAL IN |
| Length | 3.990 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 1.115 INCHES NOMINAL IN |
| Hole Quantity Along Length | 8 |
| Distance Between Holes Along Width | 1.000 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/8,H34 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | THREADED FASTENER |
| Hole Quantity Along Width | 6 |
| Distance From First Hole Centerline to End Along Length | 0.500 INCHES NOMINAL IN |
| Surface Treatment | OXIDE FILM |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 4.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 |
| Hole Diameter | 0.136 INCHES NOMINAL IN |
| Body Thickness | 0.090 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 |
|---|---|
| 312307-2 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 312307-2 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 5340-01-056-4703 is a Cover,access, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-056-4703 has 1 manufacturer part number on file: 312307-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
Key specifications for 312307-2: Distance From First Hole Centerline to End Along Width: 0.500 INCHES NOMINAL IN; Corner Radius: 0.250 INCHES NOMINAL IN; Length: 3.990 INCHES NOMINAL IN; Distance Between Holes Along Length: 1.115 INCHES NOMINAL IN. 18 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.