The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-323-2488, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Dynaflex Products. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-323-2488 |
| Primary Part Number | 40-350S |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Dynaflex Products |
| Status | ACTIVE |
| Included Angle in Deg | 40.0 |
| Root Width | 0.187 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Sealing Inner Liner | NOT INCLUDED |
| Inside Diameter | 4.500 INCHES NOMINAL IN |
| Height | 0.250 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Latch Style | SINGLE |
| 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 |
|---|---|
| 40-350S PRIMARY | Dynaflex Products (USA) |
| Reference | Meaning |
|---|---|
| 3D73029PK-001 | 7/2 Vendor item drawing reference U.S. Government activity |
| 3D73029PK FIND 1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5342-01-323-2488 is a Coupling,clamp,grooved, manufactured by Dynaflex Products, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-323-2488 has 1 manufacturer part number on file: 40-350S (Dynaflex Products).
Key specifications for 40-350S: Included Angle in Deg: 40.0; Root Width: 0.187 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN; Shape: ROUND; Cross-Sectional Shape Style: GROOVED RETAINER. 9 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.