The Plate,retaining,window, cataloged under National Stock Number 5340-01-111-9020, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-111-9020 |
| Item Name | Plate,retaining,window |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Hole Quantity | 8 |
| Material Document and Classification | QQ-N-281,CL A,FORM 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.421 INCHES NOMINAL MOUNTING HOLE IN |
| Diameter | 4.120 INCHES NOMINAL APERTURE IN |
| Diameter | 6.750 INCHES NOMINAL OUTSIDE IN |
| Shape | ROUND PLATE |
| Features Provided | APERTURE |
| Mounting Configuration | EQUALLY SPACED ON 5.938 IN. DIA BOLT CIRCLE IN |
| Material | NICKEL ALLOY 400 OVERALL |
| Thickness | 0.680 INCHES NOMINAL OVERALL IN |
| Mounting Hole Type | UNTHREADED |
| Aperture Shape | ROUND |
| 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 |
|---|---|
| 23-01-1000 | 3/2 Design control — primary reference U.S. Government activity |
| 704-4685225 ITEM 18 | 3/2 Design control — primary reference U.S. Government activity |
| 87861-2101 ITEM 18 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-111-9020 is a Plate,retaining,window, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-111-9020: Mounting Hole Quantity: 8; Material Document and Classification: QQ-N-281,CL A,FORM 6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.421 INCHES NOMINAL MOUNTING HOLE IN; Diameter: 4.120 INCHES NOMINAL APERTURE 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.