The Ring,piston, cataloged under National Stock Number 4310-01-329-4601, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-329-4601 |
| Primary Part Number | 216-74750-173-1210 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | STRAIGHT FACE, DOUBLE SCRAPER |
| Joint Style | VERTICAL JOINT |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 90.078 INCHES IN |
| 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 |
|---|---|
| 216-74750-173-1210 PRIMARY | Greene Tweed & Co Inc (USA) |
| RE20344 | Deere & Company Dba Deere John Co (USA) |
| RE20344 | Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery (AUS) |
| RE20344 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 216-74750-173-1210 | 5/9 Secondary reference Palmetto Inc |
NSN 4310-01-329-4601 is a Ring,piston, manufactured by Greene Tweed & Co Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-329-4601 has 4 manufacturer part numbers on file: 216-74750-173-1210 (Greene Tweed & Co Inc), RE20344 (Deere & Company Dba Deere John Co), RE20344 (Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery), RE20344 (Rdo Equipment Rdo Equipment Pty Ltd).
Key specifications for 216-74750-173-1210: Cross-Sectional Shape Style: STRAIGHT FACE, DOUBLE SCRAPER; Joint Style: VERTICAL JOINT; Ring Style: CONCENTRIC; Standard Bore Diameter: 90.078 INCHES IN. 4 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.