The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-907-0657, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5342-00-907-0657 |
| Primary Part Number | 44H73-100 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Included Angle in Deg | 40.0 |
| Band Width | 0.750 INCHES NOMINAL IN |
| Root Width | 0.152 INCHES NOMINAL IN |
| Retainer Width | 0.620 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5526 ASSN STD SINGLE MATERIAL RESPONSE SEGMENT |
| Material Document and Classification | AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE BOLT |
| Material Document and Classification | AMS 5527 ASSN STD SINGLE MATERIAL RESPONSE BAND |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.032 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.050 INCHES NOMINAL IN |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Height | 0.220 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 3 |
| Material | STEEL CORROSION RESISTING TRUNNION |
| Material | STEEL CORROSION RESISTING NUT |
| Material | IRON ALLOY 660 BOLT |
| Material | IRON ALLOY 651 BAND |
| Material | IRON ALLOY 651 SEGMENT |
| 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 |
|---|---|
| 44H73-100 PRIMARY | Grimes Aerospace Company (USA) |
| MVC62322-100 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| C264-100-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5342-00-907-0657 is a Coupling,clamp,grooved, manufactured by Grimes Aerospace Company, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-907-0657 has 2 manufacturer part numbers on file: 44H73-100 (Grimes Aerospace Company), MVC62322-100 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 44H73-100: Included Angle in Deg: 40.0; Band Width: 0.750 INCHES NOMINAL IN; Root Width: 0.152 INCHES NOMINAL IN; Retainer Width: 0.620 INCHES NOMINAL IN. 22 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.