The Ring,piston, cataloged under National Stock Number 4310-01-633-7975, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Fluitron Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-633-7975 |
| Primary Part Number | A-13645 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Fluitron Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| A-13645 PRIMARY | Fluitron Inc. (USA) |
NSN 4310-01-633-7975 is a Ring,piston, manufactured by Fluitron Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-633-7975 has 1 manufacturer part number on file: A-13645 (Fluitron Inc.).
Key specifications for A-13645: Special Features: MATERIAL: PLASTIC, NON-MAGNETIC; FUNCTION: HYDRAULIC PISTON RING; DIMENSIONAL SIZE (MM): 18X18X4; Part Name Assigned by Controlling Agency: PISTON RING. 0 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.