The Bearing,shutter Drive, cataloged under National Stock Number 3110-01-141-9793, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Trident Maritime Systems Uk Limited. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-141-9793 |
| Primary Part Number | 20574/300.1 |
| Item Name | Bearing,shutter Drive |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Trident Maritime Systems Uk Limited |
| Status | ACTIVE |
| FSC Application Data | MECHANISM,CAMERA |
| General Characteristics Item Description | PHOSPHOR BRONZE CAST; SMOOTH FINISH; 0.472 IN. DIA; 0.256 IN. H; THROUGH HOLE MTG 0.2817 IN. DIA 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 |
|---|---|
| 20574/300.1 PRIMARY | Trident Maritime Systems Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| 20574/300.1 | 3/9 Design control — primary reference Aeronautical & General Instruments Limited |
NSN 3110-01-141-9793 is a Bearing,shutter Drive, manufactured by Trident Maritime Systems Uk Limited, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-141-9793 has 1 manufacturer part number on file: 20574/300.1 (Trident Maritime Systems Uk Limited).
Key specifications for 20574/300.1: FSC Application Data: MECHANISM,CAMERA; General Characteristics Item Description: PHOSPHOR BRONZE CAST; SMOOTH FINISH; 0.472 IN. DIA; 0.256 IN. H; THROUGH HOLE MTG 0.2817 IN. DIA IN; End Item Identification: MODEL KS144A. 2 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.