The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-570-0312, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-570-0312 |
| Primary Part Number | 46221 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Style Designator | SEAT |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 416SE |
| FSC Application Data | FUEL SYSTEM,ENGINE,AIRCRAFT |
| Features Provided | CASEHARDENED |
| Second Step Diameter | 0.4100 INCHES NOMINAL IN |
| Material Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Distance From End to First Step | 0.0600 INCHES NOMINAL IN |
| Bore Diameter | 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN |
| End Diameter | 0.2400 INCHES NOMINAL IN |
| First Step Length | 0.0930 INCHES NOMINAL IN |
| Counterbore Length | 0.1430 INCHES NOMINAL IN |
| First Step Diameter | 0.2900 INCHES NOMINAL IN |
| Counterbore Diameter | 1.1559 INCHES MINIMUM AND 1.1564 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
NSN 5340-00-570-0312 is a Seat,helical Compression Spring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-00-570-0312 has 2 cross-referenced part numbers: 46221 (Triumph Engine Control Systems Llc), 46221 (Goodrich Control Systems Gmbh).
There are 5 known substitutes for 5340-00-570-0312: 5133-00-243-6912, 5999-00-824-2106, 5999-01-023-1578 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 46221: Style Designator: SEAT; Material Document and Classification: AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 416SE; FSC Application Data: FUEL SYSTEM,ENGINE,AIRCRAFT. 16 total characteristics are documented in the Federal Logistics Information System.