The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-121-1960, 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 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5342-01-121-1960 |
| Primary Part Number | 2320-300 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Eaton Corporation Div Fed |
| Status | ACTIVE |
| Temp Rating | 1075.0 CELSIUS AND 1200.0 CELSIUS DEGC |
| Load Rating | 1500.0 POUNDS MAXIMUM LBS |
| Drilled Lockwire Hole | NOT INCLUDED |
| Material Document and Classification | AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE BOLT |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE LINK |
| Material Document and Classification | AMS 5596 ASSN STD SINGLE MATERIAL RESPONSE SAFETY LATCH |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE PIN |
| Material Document and Classification | AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Shape | ROUND |
| Sealing Inner Liner | NOT INCLUDED |
| Inside Diameter | 3.375 INCHES NOMINAL IN |
| Nut Type | PLAIN ROUND |
| Segment Quantity | 2 |
| Material | IRON ALLOY 660 LINK |
| Material | IRON ALLOY 660 NUT |
| Material | IRON ALLOY 660 BOLT |
| Material | STEEL CORROSION RESISTING WASHER |
| Material | IRON ALLOY 660 PIN |
| Material | NICKEL ALLOY 718 SAFETY LATCH |
| Latch Style | DOUBLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2320-300 PRIMARY | Eaton Corporation Div Fed (USA) |
| VR1026-300 PRIMARY | Voss Industries, Llc (USA) |
| ST7M276-300 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| AS1895/1E300 | C/1 Advisory reference — outside the item-of-supply concept Sae International Dba Sae International |
| 52242AE300 | 3/2 Design control — primary reference U.S. Government activity |
| 10117791 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5342-01-121-1960 is a Coupling,clamp,grooved, manufactured by Eaton Corporation Div Fed, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-121-1960 has 3 manufacturer part numbers on file: 2320-300 (Eaton Corporation Div Fed), VR1026-300 (Voss Industries, Llc), ST7M276-300 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-444-6735. Verify interchangeability with system specifications before substitution.
Key specifications for 2320-300: Temp Rating: 1075.0 CELSIUS AND 1200.0 CELSIUS DEGC; Load Rating: 1500.0 POUNDS MAXIMUM LBS; Drilled Lockwire Hole: NOT INCLUDED; Material Document and Classification: AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE BOLT. 20 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.
NSN 5342-01-121-1960 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.