The Hook,support, cataloged under National Stock Number 5340-01-687-7443, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-687-7443 |
| Primary Part Number | 6558A63 |
| Item Name | Hook,support |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Material Thickness | 0.16 INCHES NOMINAL IN |
| Material Width | 1.0 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6558A63 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 6558A62 | 3/9 Design control — primary reference Mcmaster-Carr Supply Co |
NSN 5340-01-687-7443 is a Hook,support, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-687-7443 has 1 manufacturer part number on file: 6558A63 (Mcmaster-Carr Supply Co).
Key specifications for 6558A63: Mounting Hole Quantity: 2; Overall Height: 6.625 INCHES NOMINAL IN; Material Thickness: 0.16 INCHES NOMINAL IN; Material Width: 1.0 INCHES NOMINAL IN. 5 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.