The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-435-5855, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 5 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-435-5855 |
| Primary Part Number | 7D2-04853-9 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-14072, FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE |
| Second Step Diameter | 0.5260 INCHES MINIMUM AND 0.5360 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.3120 INCHES MINIMUM AND 0.3170 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 7B8-06225 | Lake Shore Systems, Inc. (USA) |
| 7D2-04853-9 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 6284E-SS-1032 PRIMARY | Emhart Industries Amatom Electronics Hardware Div (USA) |
NSN 5340-01-435-5855 is a Seat,helical Compression Spring, manufactured by Lake Shore Systems, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-435-5855 has 3 manufacturer part numbers on file: 7B8-06225 (Lake Shore Systems, Inc.), 7D2-04853-9 (Lake Shore Systems, Inc.), 6284E-SS-1032 (Emhart Industries Amatom Electronics Hardware Div).
Key specifications for 7D2-04853-9: Overall Height: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-14072, FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE; Second Step Diameter: 0.5260 INCHES MINIMUM AND 0.5360 INCHES MAXIMUM IN; Special Features: THE ITEM IS MADE TO AMS-5762. 5 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.