The Catch,clamping, cataloged under National Stock Number 5340-01-183-1679, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-183-1679 |
| Primary Part Number | 6V6778 |
| Item Name | Catch,clamping |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Material Document and Classification | 1E58 OR 1E779,CAGE11083 MFR REF ALL MATERIAL RESPONSES SPRING |
| Material Document and Classification | SA J410 ASSN STD SINGLE MATERIAL RESPONSE COVER |
| Hole Quantity | 4 |
| Operation Method | LEVER |
| Hole Diameter | 8.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 6V6778 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5340-01-183-1679 is a Catch,clamping, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-183-1679 has 1 manufacturer part number on file: 6V6778 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 6V6778: Overall Height: 18.8 MILLIMETERS MINIMUM AND 20.8 MILLIMETERS MAXIMUM MM; Material Document and Classification: 1E58 OR 1E779,CAGE11083 MFR REF ALL MATERIAL RESPONSES SPRING; Material Document and Classification: SA J410 ASSN STD SINGLE MATERIAL RESPONSE COVER; Overall Length: 112.5 MILLIMETERS MINIMUM AND 115.5 MILLIMETERS MAXIMUM MM. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.