The Plate,mounting, cataloged under National Stock Number 5340-01-440-1720, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-440-1720 |
| Primary Part Number | 3305AS454-1 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Length | 22.525 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625, TY 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Shape | SPECIAL |
| Aperture Diameter | 6.205 INCHES MINIMUM AND 6.207 INCHES MAXIMUM IN |
| Features Provided | APERTURE |
| Surface Treatment | ANODIZE |
| Width | 12.550 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Thickness | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3305AS454-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3305AS454-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 3305AS454-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 3305AS454-1 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 5340-01-440-1720 is a Plate,mounting, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-440-1720 has 2 manufacturer part numbers on file: 3305AS454-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3305AS454-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 3305AS454-1: Length: 22.525 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625, TY 3 MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE; Shape: SPECIAL. 11 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.