The Plate,retaining,window, cataloged under National Stock Number 5340-01-193-6599, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-193-6599 |
| Primary Part Number | 1020D0535 |
| Item Name | Plate,retaining,window |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Hole Quantity | 12 |
| Surface Treatment Document and Classification | MIL-A-8625,TY 1,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-601 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.164 INCHES NOMINAL MOUNTING HOLE IN |
| Diameter | 6.500 INCHES NOMINAL APERTURE IN |
| Diameter | 8.500 INCHES NOMINAL OUTSIDE IN |
| Shape | SPECIAL PLATE |
| Features Provided | APERTURE |
| Surface Treatment | ANODIZE OVERALL |
| Mounting Configuration | EQUALLY SPACED ON 7.875 DIA BOLT CIRCLE |
| Width | 8.120 INCHES NOMINAL OVERALL IN |
| Material | ALUMINUM ALLOY 356.0 OVERALL |
| Thickness | 0.560 INCHES NOMINAL OVERALL IN |
| Mounting Hole Type | THREADED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1020D0535 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1020D0535 | 3/9 Design control — primary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 1020D0535 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-193-6599 is a Plate,retaining,window, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-193-6599 has 1 manufacturer part number on file: 1020D0535 (Lockheed Martin Corporation Div Rms).
Key specifications for 1020D0535: Mounting Hole Quantity: 12; Surface Treatment Document and Classification: MIL-A-8625,TY 1,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-A-601 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.164 INCHES NOMINAL MOUNTING HOLE IN. 15 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.