The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-587-7114, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-587-7114 |
| Primary Part Number | 46252 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| First Step Diameter | 0.4630 INCHES MINIMUM AND 0.4650 INCHES MAXIMUM IN |
| Material Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| End Diameter | 0.2700 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.1560 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE |
| Bore Diameter | 0.3350 INCHES MINIMUM AND 0.3360 INCHES MAXIMUM IN |
| Material | STEEL COMP 416SE |
| 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 |
NSN 5340-00-587-7114 is a Seat,helical Compression Spring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-587-7114 has 2 manufacturer part numbers on file: 46252 (Triumph Engine Control Systems Llc), 46252 (Goodrich Control Systems Gmbh).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-347-0454, 4820-01-549-0521. Verify interchangeability with system specifications before substitution.
Key specifications for 46252: Overall Height: 0.5600 INCHES NOMINAL IN; First Step Diameter: 0.4630 INCHES MINIMUM AND 0.4650 INCHES MAXIMUM IN; Material Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; End Diameter: 0.2700 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM IN. 9 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.