The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-085-3919, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Aerospace Canada Ltd. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-085-3919 |
| Primary Part Number | 5346-5 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Goodrich Aerospace Canada Ltd |
| Status | ACTIVE |
| Countersink Angle in Deg | 120.0 |
| First Step Diameter | 0.6000 INCHES MINIMUM AND 0.6100 INCHES MAXIMUM IN |
| End Diameter | 0.2710 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN |
| Countersink Diameter | 0.1770 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM IN |
| Distance From End to First Step | 0.2710 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5346-5 PRIMARY | Goodrich Aerospace Canada Ltd (CAN) |
NSN 5340-00-085-3919 is a Seat,helical Compression Spring, manufactured by Goodrich Aerospace Canada Ltd, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-085-3919 has 1 manufacturer part number on file: 5346-5 (Goodrich Aerospace Canada Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 6145-01-342-9610, 4730-01-620-7509. Verify interchangeability with system specifications before substitution.
Key specifications for 5346-5: Overall Height: 1.3650 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN; Countersink Angle in Deg: 120.0; First Step Diameter: 0.6000 INCHES MINIMUM AND 0.6100 INCHES MAXIMUM IN; End Diameter: 0.2710 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN. 8 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.