The Seat,ball Socket, cataloged under National Stock Number 5340-00-903-4942, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-903-4942 |
| Primary Part Number | 522-5489289 ITEM 25 |
| Item Name | Seat,ball Socket |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | SEAT |
| Outside Diameter | 0.495 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN |
| Hole Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 125-2119057PC6 | Wego Precision Machine, Inc. (USA) |
| 522-5489289 ITEM 25 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H8832416 | C/1 Advisory reference — outside the item-of-supply concept Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 76682-47X11PC6 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-903-4942 is a Seat,ball Socket, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-903-4942 has 2 manufacturer part numbers on file: 125-2119057PC6 (Wego Precision Machine, Inc.), 522-5489289 ITEM 25 (Naval Sea Systems Command).
Key specifications for 522-5489289 ITEM 25: Style Designator: SEAT; Outside Diameter: 0.495 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN; Special Features: MATERIAL TO BE NYLATRON GS AS MFG BY POLYMR CORP PENN, READING PENN OR EQUAL; Part Name Assigned by Controlling Agency: SEAT, BALL. 3 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.