The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-009-0509, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-009-0509 |
| Primary Part Number | MLK91412-1284 |
| 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 | 0.750 INCHES NOMINAL IN |
| Root Width | 0.400 INCHES NOMINAL IN |
| Retainer Width | 1.000 INCHES MINIMUM AND 1.180 INCHES MAXIMUM 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 301, 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE BAND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.050 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.080 INCHES NOMINAL IN |
| Inside Diameter | 12.840 INCHES NOMINAL IN |
| Height | 0.280 INCHES NOMINAL IN |
| Segment Quantity | 4 |
| Material | STEEL COMP 301 BAND |
| Material | STEEL COMP 301 SEGMENT |
| Material | STEEL BOLT |
| 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 |
|---|---|
| MLK91412-1284 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 91412-1284 | 3/9 Design control — primary reference Aeroquip Corp Transportation Products Div Lawrence Plant |
NSN 5342-00-009-0509 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 5342-00-009-0509 has 1 manufacturer part number on file: MLK91412-1284 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for MLK91412-1284: Included Angle in Deg: 40.0; Band Width: 0.750 INCHES NOMINAL IN; Root Width: 0.400 INCHES NOMINAL IN; Retainer Width: 1.000 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN. 17 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.