The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-208-5688, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-208-5688 |
| Primary Part Number | B213271 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Material Document and Classification | FED STD 66, COMP 1012 FED STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 1012 |
| 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 |
|---|---|
| B213271 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| B213271 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| E821645 PIECE 18 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 5340-01-208-5688 is a Seat,helical Compression Spring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-208-5688 has 1 manufacturer part number on file: B213271 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for B213271: Material Document and Classification: FED STD 66, COMP 1012 FED STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 1012. 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.