The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-074-8840, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kalmar AC Inc. Government technical data includes 5 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-074-8840 |
| Primary Part Number | 4988653 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Surface Treatment | CADMIUM |
| Material | STEEL CORROSION RESISTING |
| Bore Diameter | 0.5620 INCHES NOMINAL IN |
| End Diameter | 0.9060 INCHES NOMINAL IN |
| First Step Diameter | 1.1560 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
NSN 5340-00-074-8840 is a Seat,helical Compression Spring, manufactured by Kalmar AC Inc, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-00-074-8840 has 2 cross-referenced part numbers: 4988653 (Kalmar AC Inc), 3327 (Husco International Inc).
There are 11 known substitutes for 5340-00-074-8840: 6105-01-298-8307, 5950-00-082-0615, 5325-00-275-5964 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4988653: Surface Treatment: CADMIUM; Material: STEEL CORROSION RESISTING; Overall Height: 0.6880 INCHES NOMINAL IN; Bore Diameter: 0.5620 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.