The Ring,piston, cataloged under National Stock Number 4310-01-322-7618, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-322-7618 |
| Primary Part Number | 5B1-04624 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Ring Style | CONCENTRIC |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5D3-02296 ITEM 38 | Lake Shore Systems, Inc. (USA) |
| 5D3-02298 ITEM 38 | Lake Shore Systems, Inc. (USA) |
| 5B1-04624 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 5D3-02297 ITEM 38 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5D3-02298 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 4310-01-322-7618 is a Ring,piston, manufactured by Lake Shore Systems, Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-322-7618 has 4 manufacturer part numbers on file: 5D3-02296 ITEM 38 (Lake Shore Systems, Inc.), 5D3-02298 ITEM 38 (Lake Shore Systems, Inc.), 5B1-04624 (Lake Shore Systems, Inc.), 5D3-02297 ITEM 38 (Lake Shore Systems, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-322-9220, 4730-01-322-9305, 3040-01-337-4169. Verify interchangeability with system specifications before substitution.
Key specifications for 5B1-04624: Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Ring Style: CONCENTRIC; Material: STEEL OVERALL. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.