The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-212-2266, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Diamond Power International, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-212-2266 |
| Primary Part Number | IR-209-D |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Diamond Power International, Inc. |
| Status | ACTIVE |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| N3-21570 PIECE 452 | Diamond Power International, Inc. (USA) |
| IR-209-D PRIMARY | Diamond Power International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 301161-0114 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-212-2266 is a Seat,helical Compression Spring, manufactured by Diamond Power International, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-212-2266 has 2 manufacturer part numbers on file: N3-21570 PIECE 452 (Diamond Power International, Inc.), IR-209-D (Diamond Power International, Inc.).
Key specifications for IR-209-D: Material Document and Classification: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL. 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.