The Compressor,piston Ring, cataloged under National Stock Number 5120-01-593-9475, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Lisle Corp. 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 | 5120-01-593-9475 |
| Primary Part Number | 21500 |
| Item Name | Compressor,piston Ring |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Lisle Corp |
| 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 |
|---|---|
| 21500 PRIMARY | Lisle Corp (USA) |
NSN 5120-01-593-9475 is a Compressor,piston Ring, manufactured by Lisle Corp, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-593-9475 has 1 manufacturer part number on file: 21500 (Lisle Corp).
Key specifications for 21500: Special Features: SPRING CLUTCH W/ LOCKING ACTION, RANGE 7 IN. TO 10 IN., HEIGHT 7 IN.; ASSURES A PROPER FIT ON THE PISTON AND A POSITIVE LOCKING ACTION; ELIMINATES RATCHET PROBLEMS IN. 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.