The Connector,rod End, cataloged under National Stock Number 5340-00-352-7541, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-352-7541 |
| Primary Part Number | 3F4975 |
| Item Name | Connector,rod End |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Tongue Thickness | 2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM IN |
| Tongue Width | 3.250 INCHES NOMINAL IN |
| Thread Length | 9.500 INCHES NOMINAL ROD CONNECTION IN |
| Style Designator | CONNECTOR |
| Material Document and Classification | QQ-S-634-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND ROD CONNECTION |
| Nominal Thread Size | 2.250 INCHES ROD CONNECTION IN |
| Shank Outside Diameter | 2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Surface Treatment | COPPER OVERALL |
| Distance From End to Hole Center | 16.000 INCHES NOMINAL IN |
| Thread Class | 2G ROD CONNECTION G |
| Material | STEEL COMP 1045 OVERALL |
| Thread Series Designator | ACME ROD CONNECTION |
| Metallic Hardness Rating | 20.5 MINIMUM ROCKWELL C AND 27.6 MAXIMUM ROCKWELL C |
| 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 |
|---|---|
| 3F4975 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 3527541 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-352-7541 is a Connector,rod End, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-352-7541 has 1 manufacturer part number on file: 3F4975 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 3F4975: Tongue Thickness: 2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM IN; Tongue Width: 3.250 INCHES NOMINAL IN; Thread Length: 9.500 INCHES NOMINAL ROD CONNECTION IN; Style Designator: CONNECTOR. 14 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.