The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-053-5180, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-053-5180 |
| Primary Part Number | 21693-312R |
| 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 |
| Band Width | 1.230 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| 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 |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Inside Diameter | 2.970 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN |
| Height | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| 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 |
|---|---|
| 21693-312R PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| STSMA102-312 | 7/2 Vendor item drawing reference U.S. Government activity |
| 21693-312R | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 |
| 3214AB312 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5342-01-053-5180 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 5342-01-053-5180 has 1 manufacturer part number on file: 21693-312R (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 21693-312R: Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Band Width: 1.230 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN; Root Width: 0.834 INCHES MINIMUM AND 0.854 INCHES MAXIMUM IN; Retainer Width: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN. 12 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.