The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-558-4703, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-558-4703 |
| Primary Part Number | 19478 |
| 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 |
| Inside Width | 6.875 INCHES NOMINAL IN |
| Inside Length | 8.125 INCHES NOMINAL IN |
| Band Width | 0.625 INCHES NOMINAL IN |
| Root Width | 0.212 INCHES NOMINAL IN |
| Retainer Width | 0.719 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5059, TYPE 301, 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | MIL-S-5059, COND ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE SEGMENT |
| Shape | RECTANGULAR |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.025 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.050 INCHES NOMINAL IN |
| Height | 0.281 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 4 |
| Material | STEEL COMP 301 BAND |
| Material | STEEL NUT |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 19478 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 19478 | 3/9 Design control — primary reference Eaton Aeroquip Llc Dba Jackson North 1 |
NSN 5342-00-558-4703 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 5342-00-558-4703 has 1 manufacturer part number on file: 19478 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-383-2491, 6230-01-598-2884, 2540-01-612-5395. Verify interchangeability with system specifications before substitution.
Key specifications for 19478: Included Angle in Deg: 40.0; Inside Width: 6.875 INCHES NOMINAL IN; Inside Length: 8.125 INCHES NOMINAL IN; Band Width: 0.625 INCHES NOMINAL IN. 21 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.