The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-668-8684, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-668-8684 |
| Primary Part Number | S2003-S OXYGEN CLEANCP |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| 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 |
|---|---|
| S2003-S OXYGEN CLEANCP | Naval Inventory Control Point Mechanicsburg (USA) |
| D50-0140 ITEM 16CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| D50-0140 ITEM 16 | 5/1 Secondary reference Dante Valve Company |
| S2003-S OXYGEN CLEAN | 3/1 Design control — primary reference Dante Valve Company |
NSN 5340-01-668-8684 is a Seat,helical Compression Spring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-668-8684 has 2 manufacturer part numbers on file: S2003-S OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg), D50-0140 ITEM 16CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for S2003-S OXYGEN CLEANCP: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: SPRING; End Item Identification: VALVE, ANGLE RELIEF; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 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.