The Catch,flush, cataloged under National Stock Number 5340-01-097-8563, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-097-8563 |
| Primary Part Number | ST9M451-3 |
| Item Name | Catch,flush |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Bolt Offset Distance | 0.010 INCHES NOMINAL IN |
| Length | 3.500 INCHES NOMINAL IN |
| Lever Offset Distance | 0.145 INCHES NOMINAL IN |
| Style Designator | FLUSH LEVER ACTUATOR |
| Mounting Hole Diameter | 0.159 INCHES MINIMUM IN |
| Center to Center Distance Between Mounting Holes Along Width | 1.480 INCHES MINIMUM AND 1.503 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 1.361 INCHES MINIMUM AND 1.365 INCHES MAXIMUM IN |
| Surface Treatment | UNABLE TO DECODE |
| Width | 1.980 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Material | UNABLE TO DECODE |
| 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 |
|---|---|
| ST9M451-3 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| H2422-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-097-8563 is a Catch,flush, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-097-8563 has 1 manufacturer part number on file: ST9M451-3 (The Boeing Company Div Defense).
Key specifications for ST9M451-3: Bolt Offset Distance: 0.010 INCHES NOMINAL IN; Length: 3.500 INCHES NOMINAL IN; Lever Offset Distance: 0.145 INCHES NOMINAL IN; Style Designator: FLUSH LEVER ACTUATOR. 10 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.