The Ring,filter Retaining, cataloged under National Stock Number 4330-00-760-3142, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-760-3142 |
| Item Name | Ring,filter Retaining |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| General Characteristics Item Description | POLYTETRAFLUOROETHYLENE; 2.850 IN. ID,3.500 IN. OD,1.000 IN. LG; W/THREE 0.052 IN. THK LUGS EQUALLY SPACED ON ID; VERTICAL/DIAGONAL RING JOINT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| J | 5/9 Secondary reference U.S. Government activity |
| 76649-21X3PC3REV | 3/2 Design control — primary reference U.S. Government activity |
| 76649-21X3PC3 | 5/2 Secondary reference U.S. Government activity |
NSN 4330-00-760-3142 is a Ring,filter Retaining, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
Key specifications for 4330-00-760-3142: General Characteristics Item Description: POLYTETRAFLUOROETHYLENE; 2.850 IN. ID,3.500 IN. OD,1.000 IN. LG; W/THREE 0.052 IN. THK LUGS EQUALLY SPACED ON ID; VERTICAL/DIAGONAL RING JOINT IN. 1 specification is 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.