The Pad Eye, cataloged under National Stock Number 5340-01-540-0609, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-540-0609 |
| Primary Part Number | 7-311140273-3 |
| Item Name | Pad Eye |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Eye Stock Diameter | 0.420 INCHES NOMINAL IN |
| Mounting Facility Quantity | 4 |
| Mounting Method | MOUNTING SLOTS |
| Style Designator | RECTANGULAR |
| Material Document and Classification | AMS5343 NATIONAL SPEC 1ST MATERIAL RESPONSE OR AMS5643, COND A NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Eye Inside Diameter | 0.326 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN |
| Eye Stock Thickness | 0.180 INCHES NOMINAL IN |
| Material | STEEL UNS J92200 OR STEEL COMP 630 OVERALL |
| Construction | CAST OR SOLID |
| Pad Thickness | 0.125 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 |
|---|---|
| 7-311140273-3 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311140273 | D/9 Drawing number reference only The Boeing Company |
NSN 5340-01-540-0609 is a Pad Eye, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-540-0609 has 1 manufacturer part number on file: 7-311140273-3 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-540-2882. Verify interchangeability with system specifications before substitution.
Key specifications for 7-311140273-3: Overall Height: 1.520 INCHES NOMINAL IN; Eye Stock Diameter: 0.420 INCHES NOMINAL IN; Mounting Facility Quantity: 4; Mounting Method: MOUNTING SLOTS. 10 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.