The Cover,access, cataloged under National Stock Number 5340-01-204-2225, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-204-2225 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Inside Width | 4.874 INCHES NOMINAL IN |
| Corner Radius | 0.312 INCHES NOMINAL IN |
| Length | 5.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 151189,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE |
| Inside Length | 4.874 INCHES NOMINAL IN |
| Flange Thickness | 0.063 INCHES NOMINAL IN |
| Inside Corner Radius | 0.250 INCHES NOMINAL IN |
| First Recess Inside Height | 2.917 INCHES MINIMUM AND 2.947 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SQUARE OR RECTANGULAR RECESS |
| Features Provided | OBSERVATION FACILITY |
| Securing Device Type | SPECIAL |
| Surface Treatment | ENAMEL LUSTERLESS |
| Peripheral Shape Style | RECTANGLE, NO HOLES |
| Width | 5.000 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Body Thickness | 0.063 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 |
| Reference | Meaning |
|---|---|
| 570385-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| MT1259-06X-3 3/4 | 3/2 Design control — primary reference U.S. Government activity |
| 570385-1 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
NSN 5340-01-204-2225 is a Cover,access, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-204-2225: Inside Width: 4.874 INCHES NOMINAL IN; Corner Radius: 0.312 INCHES NOMINAL IN; Length: 5.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: 151189,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE. 16 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.