The Knob, cataloged under National Stock Number 5355-00-593-2289, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 8 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 | 5355-00-593-2289 |
| Primary Part Number | MBEU42081 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Shank Diameter | 0.625 INCHES NOMINAL IN |
| Overall Thickness | 1.250 INCHES NOMINAL IN |
| Shank Length | 0.562 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Shank Style | CONCAVE |
| Gripping Surface Condition | SMOOTH |
| Shank Radius | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| MBEU42081 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5355-00-593-2289 is a Knob, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-593-2289 has 1 manufacturer part number on file: MBEU42081 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU42081: Shank Diameter: 0.625 INCHES NOMINAL IN; Overall Thickness: 1.250 INCHES NOMINAL IN; Shank Length: 0.562 INCHES NOMINAL IN; Style Designator: ROUND. 8 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.