The Seat,ball Socket, cataloged under National Stock Number 5340-01-552-8691, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ernst, John C & Co, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Seat,ball Socket |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Ernst, John C & Co, Inc. (CAGE 51857) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-552-8691 |
| Primary Part Number | E42006 ITEM 35 |
| Item Name | Seat,ball Socket |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ernst, John C & Co, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| E42006 ITEM 35 PRIMARY | Ernst, John C & Co, Inc. (USA) |
| Reference | Meaning |
|---|---|
| E42006 | D/9 Drawing number reference only Ernst, John C & Co, Inc. |
NSN 5340-01-552-8691 is a Seat,ball Socket, manufactured by Ernst, John C & Co, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-552-8691 has 1 manufacturer part number on file: E42006 ITEM 35 (Ernst, John C & Co, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-659-7265. Verify interchangeability with system specifications before substitution.
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.