The Clamp,block, cataloged under National Stock Number 5340-01-711-1849, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-711-1849 |
| Primary Part Number | NGC500EG-8C3 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Mounting Hole Quantity | 333 |
| Clamping Hole Quantity | 222 |
| Distance From End to First Clamping Hole Center | 1.249 INCHES NOMINAL1.249 INCHES NOMINAL IN |
| Block Height | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Style Designator | RECTANGULARRECTANGULAR |
| Mounting Hole Diameter | 0.205 INCHES MINIMUM AND 0.205 INCHES MINIMUM AND 0.205 INCHES MINIMUM AND 0.211 INCHES MAXIMUM0.211 INCHES MAXIMUM0.211 INCHES MAXIMUM IN |
| Center to Center Distance Between First and Third Mounting Holes | 3.936 INCHES NOMINAL3.936 INCHES NOMINAL3.936 INCHES NOMINAL IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.2875 INCHES NOMINAL0.2875 INCHES NOMINAL0.2875 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.281 INCHES NOMINAL0.281 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Second Mounting Holes | 1.968 INCHES NOMINAL1.968 INCHES NOMINAL1.968 INCHES NOMINAL IN |
| Material | PLASTIC |
| Center to Center Distance Between First and Second Clamping Holes | 1.687 INCHES NOMINAL1.687 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 |
|---|---|
| NGC500EG-8C3 | Swan Industries, Inc (USA) |
| NGC500EG-8C3 | Upland Fab, Inc. Dba Upland Fab Inc (USA) |
| NGC500EG-8C3 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| NGC500EG | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5340-01-711-1849 is a Clamp,block, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-711-1849 has 3 manufacturer part numbers on file: NGC500EG-8C3 (Swan Industries, Inc), NGC500EG-8C3 (Upland Fab, Inc. Dba Upland Fab Inc), NGC500EG-8C3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for NGC500EG-8C3: Mounting Hole Quantity: 333; Overall Height: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN; Clamping Hole Quantity: 222; Distance From End to First Clamping Hole Center: 1.249 INCHES NOMINAL1.249 INCHES NOMINAL IN. 13 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.