The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-239-9570, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Sonfarrel Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-239-9570 |
| Primary Part Number | 74A837066-1003 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Sonfarrel Inc. |
| Status | ACTIVE |
| Shape | ROUND |
| Sealing Inner Liner | NOT INCLUDED |
| Inside Diameter | 4.690 INCHES NOMINAL IN |
| Segment Quantity | 2 |
| 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 |
|---|---|
| 74A837066-1003 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74A837066-1003 PRIMARY | Sonfarrel Inc. (USA) |
| Reference | Meaning |
|---|---|
| 74A837066-1003 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5342-01-239-9570 is a Coupling,clamp,grooved, manufactured by Sonfarrel Inc., classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-239-9570 has 2 manufacturer part numbers on file: 74A837066-1003 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74A837066-1003 (Sonfarrel Inc.).
Key specifications for 74A837066-1003: Shape: ROUND; Sealing Inner Liner: NOT INCLUDED; Inside Diameter: 4.690 INCHES NOMINAL IN; Segment Quantity: 2. 4 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.