The Lock,shaft, cataloged under National Stock Number 5355-01-642-2787, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Matkor, Inc. Dba Matkor Inc. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-642-2787 |
| Primary Part Number | 4-080110S |
| Item Name | Lock,shaft |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Matkor, Inc. Dba Matkor Inc |
| Status | ACTIVE |
| Style Designator | HEXAGON |
| Nominal Thread Size | 0.4375 INCHES SOCKET INTERNAL IN |
| Accommodated Shaft Diameter | 0.255 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 SOCKET INTERNAL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN SOCKET INTERNAL |
| Attachment Method | NUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4-080110S PRIMARY | Matkor, Inc. Dba Matkor Inc (USA) |
NSN 5355-01-642-2787 is a Lock,shaft, manufactured by Matkor, Inc. Dba Matkor Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-642-2787 has 1 manufacturer part number on file: 4-080110S (Matkor, Inc. Dba Matkor Inc).
Key specifications for 4-080110S: Style Designator: HEXAGON; Nominal Thread Size: 0.4375 INCHES SOCKET INTERNAL IN; Special Features: MATERIAL GRADE IS STEEL 316; Accommodated Shaft Diameter: 0.255 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.