The Retainer Assembly,spring, cataloged under National Stock Number 5340-01-522-0643, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Portland Valve Llc. Government technical data includes 1 specification, 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-522-0643 |
| Primary Part Number | 106-0207 |
| Item Name | Retainer Assembly,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 106-0207 PRIMARY | Portland Valve Llc (USA) |
| 506-3002 PC NO 8 | Portland Valve Llc (USA) |
NSN 5340-01-522-0643 is a Retainer Assembly,spring, manufactured by Portland Valve Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-522-0643 has 2 manufacturer part numbers on file: 106-0207 (Portland Valve Llc), 506-3002 PC NO 8 (Portland Valve Llc).
Key specifications for 106-0207: End Item Identification: VALVE ACTUATOR; Material: STEEL CORROSION RESISTING. 1 specification is 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.