The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-129-8517, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 18 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-129-8517 |
| Primary Part Number | 36646 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Material Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| First Step Length | 0.6030 INCHES NOMINAL IN |
| Design Type | SOLID |
| Countersink Diameter | 0.6000 INCHES MINIMUM AND 0.6050 INCHES MAXIMUM IN |
| First Step Diameter | 0.5550 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582, TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE |
| Style Designator | SEAT |
| Surface Treatment Document and Classification | PS13001, MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE |
| Material | STEEL COMP 416 |
| Surface Treatment | PASSIVATE |
| Distance From End to First Step | 0.0600 INCHES NOMINAL IN |
| Second Step Diameter | 0.6870 INCHES NOMINAL IN |
| End Diameter | 0.5230 INCHES MINIMUM AND 0.5280 INCHES MAXIMUM IN |
| Countersink Angle in Deg | 45.0 |
| Bore Diameter | 0.0930 INCHES NOMINAL IN |
| Counterbore Length | 0.5600 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM IN |
| Chamfer Angle in Deg | 15.0 |
| Counterbore Diameter | 0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
NSN 5340-01-129-8517 is a Seat,helical Compression Spring, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-01-129-8517 has 2 cross-referenced part numbers: 10112549 (Nimikkeistokeskus Ncb Finland), 36646 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).
There are 2 known substitutes for 5340-01-129-8517: 7520-00-138-7981, 4710-01-128-8435. Verify interchangeability with system specifications before substitution.
Key specifications for 36646: Material Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; First Step Length: 0.6030 INCHES NOMINAL IN; Design Type: SOLID; Countersink Diameter: 0.6000 INCHES MINIMUM AND 0.6050 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.