The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-643-5605, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-643-5605 |
| Primary Part Number | 2642-343-03 ITEM 5D4 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 2642-343-03 ITEM 5D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-264234303-5D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-4558718 ITEM 5D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2642-343-01 REF 3 ITEM NO 5D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H574-0001-264234303-5D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-4558716 REF 3 ITEM NO 5D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2642-343-01 REF 3 ITEM NO 5 | 5/1 Secondary reference U.S. Government activity |
| 2642-343-03 ITEM 5 | 5/1 Secondary reference U.S. Government activity |
| H574-0001-264234303-5 | 5/1 Secondary reference U.S. Government activity |
| 845-4558718 ITEM 5 | 5/1 Secondary reference U.S. Government activity |
| 7383858-264234303-5 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 845-4558716 REF 3 ITEM NO 5 | 5/1 Secondary reference U.S. Government activity |
NSN 5340-01-643-5605 is a Retainer,helical Compression Spr, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-643-5605 has 6 manufacturer part numbers on file: 2642-343-03 ITEM 5D4 (Naval Inventory Control Point Mechanicsburg), 7383858-264234303-5D4 (Naval Inventory Control Point Mechanicsburg), 845-4558718 ITEM 5D4 (Naval Inventory Control Point Mechanicsburg), 2642-343-01 REF 3 ITEM NO 5D4 (Naval Inventory Control Point Mechanicsburg), H574-0001-264234303-5D4 (Naval Inventory Control Point Mechanicsburg) and 1 more.
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.