The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-356-1421, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5340-00-356-1421 |
| Primary Part Number | 60010 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | CANCELLED |
| Second Step Diameter | 1.6220 INCHES NOMINAL IN |
| Style Designator | SEAT |
| Design Type | SOLID |
| Second End Diameter | 1.3650 INCHES NOMINAL IN |
| Bore Taper in Deg | 15.0 |
| Countersink Diameter | 1.1550 INCHES NOMINAL IN |
| End Diameter | 0.6150 INCHES NOMINAL IN |
| Distance From End to First Step | 0.5200 INCHES NOMINAL IN |
| Counterbore Length | 0.1750 INCHES NOMINAL IN |
| Material | STEEL |
| Seat Angle in Deg | 45.0 |
| First Step Length | 0.1380 INCHES NOMINAL IN |
| Counterbore Diameter | 1.0550 INCHES NOMINAL IN |
| Bore Diameter | 1.0550 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 15.0 |
| Countersink Angle in Deg | 45.0 |
| First Step Diameter | 1.2880 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5340-00-356-1421 is a Seat,helical Compression Spring, manufactured by Cummins Inc., classified under FSC 5340 (No Item Name Available). Status: cancelled.
NSN 5340-00-356-1421 has 2 cross-referenced part numbers: 60010 (Cummins Inc.), H60010 (Cummins Inc.).
There are 12 known substitutes for 5340-00-356-1421: 6515-01-566-7551, 3455-00-204-1680, 5110-00-222-4455 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 60010: Second Step Diameter: 1.6220 INCHES NOMINAL IN; Style Designator: SEAT; Design Type: SOLID; Second End Diameter: 1.3650 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5340-00-356-1421 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.