The Cover,access, cataloged under National Stock Number 5340-00-258-4129, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-258-4129 |
| Primary Part Number | 1998515-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.218 INCHES NOMINAL IN |
| FSC Application Data | CONTROLLERS,FLIGHT,AUTOMATIC PILOT |
| Corner Radius | 0.218 INCHES NOMINAL IN |
| Length | 4.125 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 1.844 INCHES NOMINAL IN |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| First Recess Inside Height | 0.513 INCHES NOMINAL IN |
| Hole Quantity Along Length | 2 |
| Distance Between Holes Along Width | 2.438 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | RECESS, SAME SHAPE AS THE PERIPHERY |
| Securing Device Type | THREADED FASTENER |
| Hole Quantity Along Width | 4 |
| Distance From First Hole Centerline to End Along Length | 0.218 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 2.875 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Hole Diameter | 0.154 INCHES NOMINAL IN |
| Body Thickness | 0.125 INCHES NOMINAL IN |
| 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 |
NSN 5340-00-258-4129 is a Cover,access, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-258-4129 has 2 manufacturer part numbers on file: 1998515-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 1998515-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 1998515-1: Distance From First Hole Centerline to End Along Width: 0.218 INCHES NOMINAL IN; FSC Application Data: CONTROLLERS,FLIGHT,AUTOMATIC PILOT; Corner Radius: 0.218 INCHES NOMINAL IN; Length: 4.125 INCHES NOMINAL IN. 20 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 5340-00-258-4129 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.