The Cover,access, cataloged under National Stock Number 5340-00-979-9937, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-979-9937 |
| Primary Part Number | 320583-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 1.330 INCHES NOMINAL IN |
| Corner Radius | 1.020 INCHES NOMINAL IN |
| Length | 4.350 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 1.250 INCHES NOMINAL IN |
| Hole Quantity Along Length | 8 |
| Cross-Sectional Shape Style | ARCHED |
| Hole Quantity Along Width | 9 |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 6.630 INCHES MINIMUM AND 6.640 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 320583-1 PRIMARY | Textron Systems Corporation Dba Textron Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 320583-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-979-9937 is a Cover,access, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-979-9937 has 1 manufacturer part number on file: 320583-1 (Textron Systems Corporation Dba Textron Systems Corp).
Key specifications for 320583-1: Distance From First Hole Centerline to End Along Width: 1.330 INCHES NOMINAL IN; Corner Radius: 1.020 INCHES NOMINAL IN; Length: 4.350 INCHES NOMINAL IN; Distance Between Holes Along Length: 1.250 INCHES NOMINAL IN. 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 5340-00-979-9937 has DEMIL Code Q. 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.