The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-089-3417, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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 | 5340-01-089-3417 |
| Primary Part Number | 20858 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| Surface Treatment | PHOSPHATE |
| Material | COPPER ALLOY |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 98457C1PC9 | Schneider Electric Systems Usa Inc (USA) |
| 98457D1PC9 | Schneider Electric Systems Usa Inc (USA) |
| 20858 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
NSN 5340-01-089-3417 is a Seat,helical Compression Spring, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-089-3417 has 3 manufacturer part numbers on file: 98457C1PC9 (Schneider Electric Systems Usa Inc), 98457D1PC9 (Schneider Electric Systems Usa Inc), 20858 (Schneider Electric Systems Usa Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6240-01-484-0165, 5120-01-499-6853. Verify interchangeability with system specifications before substitution.
Key specifications for 20858: Surface Treatment: PHOSPHATE; Material: COPPER ALLOY. 2 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.