The Plate,mounting, cataloged under National Stock Number 5340-01-490-2451, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is A W Chesterton Co Div Sealing Device Division. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-490-2451 |
| Primary Part Number | 630632 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | A W Chesterton Co Div Sealing Device Division |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 9238990680 | Independent Rough Terrain Center Llc (USA) |
| 630632 PRIMARY | A W Chesterton Co Div Sealing Device Division (USA) |
| 923899.0680 | Kalmar Equipment (australia) Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 630632 | 5/9 Secondary reference Blackmer System One, Inc. Div Blackmer System One, Inc. |
NSN 5340-01-490-2451 is a Plate,mounting, manufactured by A W Chesterton Co Div Sealing Device Division, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-490-2451 has 3 manufacturer part numbers on file: 9238990680 (Independent Rough Terrain Center Llc), 630632 (A W Chesterton Co Div Sealing Device Division), 923899.0680 (Kalmar Equipment (australia) Pty Ltd).
Key specifications for 630632: Material: STEEL CORROSION RESISTING. 1 specification is 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.