The Cover,access, cataloged under National Stock Number 5340-01-499-5109, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-499-5109 |
| Primary Part Number | 943990-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.725 INCHES NOMINAL IN |
| Length | 1.690 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 1.400 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 1.145 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | THREADED FASTENER |
| Hole Quantity Along Width | 3 |
| Distance From First Hole Centerline to End Along Length | 0.145 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 3.620 INCHES NOMINAL IN |
| Material | STEEL |
| Body Thickness | 0.024 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 |
|---|---|
| 943990-1 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 943990 | D/9 Drawing number reference only Raytheon Company |
NSN 5340-01-499-5109 is a Cover,access, manufactured by Raytheon Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-499-5109 has 1 manufacturer part number on file: 943990-1 (Raytheon Company).
Key specifications for 943990-1: Distance From First Hole Centerline to End Along Width: 0.725 INCHES NOMINAL IN; Length: 1.690 INCHES NOMINAL IN; Distance Between Holes Along Length: 1.400 INCHES NOMINAL IN; Distance Between Holes Along Width: 1.145 INCHES NOMINAL IN. 12 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.