The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-558-9424, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-558-9424 |
| Primary Part Number | 8490100 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Included Angle in Deg | 40.0 |
| Band Width | 0.750 INCHES NOMINAL IN |
| Root Width | 0.207 INCHES NOMINAL IN |
| Retainer Width | 0.744 INCHES MINIMUM AND 0.756 INCHES MAXIMUM 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-6721 MIL SPEC SINGLE MATERIAL RESPONSE SEGMENT |
| Material Document and Classification | MIL-S-18732, TYPE 431 MIL SPEC SINGLE MATERIAL RESPONSE BOLT |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.040 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.062 INCHES NOMINAL IN |
| Inside Diameter | 3.595 INCHES NOMINAL IN |
| Height | 0.281 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 3 |
| Material | STEEL COMP 301 BAND |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 8490100 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5342-00-558-9424 is a Coupling,clamp,grooved, manufactured by Us Army Aviation and Missile Command, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-558-9424 has 1 manufacturer part number on file: 8490100 (Us Army Aviation and Missile Command).
Key specifications for 8490100: Included Angle in Deg: 40.0; Band Width: 0.750 INCHES NOMINAL IN; Root Width: 0.207 INCHES NOMINAL IN; Retainer Width: 0.744 INCHES MINIMUM AND 0.756 INCHES MAXIMUM 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.