The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-391-9639, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Div Fed. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5342-01-391-9639 |
| Primary Part Number | 2320-450 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Eaton Corporation Div Fed |
| Status | ACTIVE |
| Included Angle in Deg | 39.0 |
| Material Document and Classification | AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Sealing Inner Liner | NOT INCLUDED |
| Inside Diameter | 4.500 INCHES NOMINAL IN |
| Segment Quantity | 2 |
| Material | IRON ALLOY 660 NUT |
| 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 |
|---|---|
| 2320-450 PRIMARY | Eaton Corporation Div Fed (USA) |
| Reference | Meaning |
|---|---|
| 52242AE450 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5342-01-391-9639 is a Coupling,clamp,grooved, manufactured by Eaton Corporation Div Fed, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-391-9639 has 1 manufacturer part number on file: 2320-450 (Eaton Corporation Div Fed).
Key specifications for 2320-450: Included Angle in Deg: 39.0; Material Document and Classification: AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE NUT; Shape: ROUND; Cross-Sectional Shape Style: GROOVED RETAINER. 8 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.