The Cover,access, cataloged under National Stock Number 5340-01-458-5438, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Thermo Neslab Inc.. Government technical data includes 13 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-458-5438 |
| Primary Part Number | 020438 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Thermo Neslab Inc. |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.2500 INCHES NOMINAL IN |
| Length | 4.0000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | NESLAD SPEC. +097, CAGEC 30234 MFR REF SINGLE TREATMENT RESPONSE |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | SPECIAL |
| Distance From First Hole Centerline to End Along Length | 2.0000 INCHES NOMINAL IN |
| Distance Between Hole Centerline and First Hole Along Width | 4.0000 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Width | 4.5000 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Hole Diameter | 0.2030 INCHES NOMINAL IN |
| Body Thickness | 0.5000 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 |
|---|---|
| 020438 PRIMARY | Thermo Neslab Inc. (USA) |
NSN 5340-01-458-5438 is a Cover,access, manufactured by Thermo Neslab Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-458-5438 has 1 manufacturer part number on file: 020438 (Thermo Neslab Inc.).
Key specifications for 020438: Distance From First Hole Centerline to End Along Width: 0.2500 INCHES NOMINAL IN; Length: 4.0000 INCHES NOMINAL IN; Surface Treatment Document and Classification: NESLAD SPEC. +097, CAGEC 30234 MFR REF SINGLE TREATMENT RESPONSE; Mounting Opening Shape Style: UNTHREADED HOLE. 13 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.