The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-333-2181, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-333-2181 |
| Primary Part Number | 21388C0712R |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF |
| Root Width | 0.834 INCHES MINIMUM AND 0.854 INCHES MAXIMUM IN |
| Retainer Width | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Shape | ROUND |
| Band Thickness | 0.020 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.020 INCHES NOMINAL IN |
| Inside Diameter | 6.970 INCHES MINIMUM AND 7.250 INCHES MAXIMUM IN |
| Height | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Surface Treatment | SILVER NUT |
| Surface Treatment | PASSIVATE BOLT |
| Surface Treatment | PASSIVATE BAND |
| Surface Treatment | PASSIVATE TRUNNION |
| 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 |
|---|---|
| 21388C0712R PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 21388C712R | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| 21388C712R | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 |
| 21388C712R | 5/9 Secondary reference U.S. Government activity |
| STSMA102-712 | 7/2 Vendor item drawing reference U.S. Government activity |
| 3214AB-712 | 5/2 Secondary reference U.S. Government activity |
NSN 5342-00-333-2181 is a Coupling,clamp,grooved, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-333-2181 has 1 manufacturer part number on file: 21388C0712R (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 21388C0712R: Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Root Width: 0.834 INCHES MINIMUM AND 0.854 INCHES MAXIMUM IN; Retainer Width: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN; Shape: ROUND. 16 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.