The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-133-4591, 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 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5342-00-133-4591 |
| Primary Part Number | 4273-1630S |
| 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 |
| Included Angle in Deg | 40.0 |
| Band Width | 0.625 INCHES NOMINAL IN |
| Root Width | 0.156 INCHES NOMINAL IN |
| Retainer Width | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5059, TYPE 301, 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE SEGMENT |
| Material Document and Classification | MIL-S-5059, TYPE 302, ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE TRUNNION |
| Material Document and Classification | MIL-S-5059, TYPE 301, 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.025 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.032 INCHES NOMINAL IN |
| Inside Diameter | 1.630 INCHES NOMINAL IN |
| Height | 0.218 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 4 |
| Surface Treatment | CADMIUM NUT |
| Surface Treatment | CADMIUM BOLT |
| Material | STEEL NUT |
| Material | STEEL COMP 301 RETAINER |
| Material | STEEL COMP 302 TRUNNION |
| Material | STEEL COMP 301 SEGMENT |
| Material | STEEL BOLT |
| Latch Style | DOUBLE |
| 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 |
|---|---|
| 4273-1630S PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| D3402S-1630S | 5/2 Secondary reference U.S. Government activity |
| 4273-1630S | 3/9 Design control — primary reference Eaton Aeroquip Llc Dba Jackson North 1 |
NSN 5342-00-133-4591 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 5342-00-133-4591 has 1 manufacturer part number on file: 4273-1630S (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 4273-1630S: Included Angle in Deg: 40.0; Band Width: 0.625 INCHES NOMINAL IN; Root Width: 0.156 INCHES NOMINAL IN; Retainer Width: 0.500 INCHES NOMINAL IN. 23 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.