The Ring,piston, cataloged under National Stock Number 3040-01-655-4382, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Greene Tweed & Co Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Ring,piston |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Greene Tweed & Co Inc (CAGE 5F573); Trelleborg Sealing Solutions Us, Inc. (CAGE 09257); Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (CAGE 05939) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-655-4382 |
| Primary Part Number | 7023MS-772-T |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Greene Tweed & Co 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 |
|---|---|
| 7023MS-772-T PRIMARY | Greene Tweed & Co Inc (USA) |
| S38421-0023T-28 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| 60642-XX023-010R11 | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
NSN 3040-01-655-4382 is a Ring,piston, manufactured by Greene Tweed & Co Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-655-4382 has 3 manufacturer part numbers on file: 7023MS-772-T (Greene Tweed & Co Inc), S38421-0023T-28 (Trelleborg Sealing Solutions Us, Inc.), 60642-XX023-010R11 (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
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.