The Clamp,block,section, cataloged under National Stock Number 5340-01-529-5431, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-529-5431 |
| Primary Part Number | 74B830218-2001 |
| Item Name | Clamp,block,section |
| 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 | 2 |
| Block Height | 0.530 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Style Designator | RECTANGULAR |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.240 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.220 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 74B830218-2001 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 74B830218-2001 | 5/9 Secondary reference The Boeing Company Div Defense |
| 74B830218 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5340-01-529-5431 is a Clamp,block,section, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-529-5431 has 1 manufacturer part number on file: 74B830218-2001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 74B830218-2001: Mounting Hole Quantity: 2; Block Height: 0.530 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Style Designator: RECTANGULAR. 7 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.