The Separator,oil, cataloged under National Stock Number 4330-01-512-3086, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-512-3086 |
| Item Name | Separator,oil |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| 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 |
| Reference | Meaning |
|---|---|
| 11348943 242THRU249 | 5/9 Secondary reference U.S. Government activity |
| 200134AEPC242 | 5/9 Secondary reference U.S. Government activity |
| 11348943 242THRU249 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| MLH64137G1 | 5/9 Secondary reference U.S. Government activity |
| 200134AEPC242 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 11348943 242THRU249 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| MLH64137G1 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| MLH64137G1 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 200134AEPC242 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4330-01-512-3086 is a Separator,oil, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4330-01-642-1189. Verify interchangeability with system specifications before substitution.
Key specifications for 4330-01-512-3086: Special Features: SEPARATOR ASSEMBLY CONSISTS OF: STUD, STAINLESS STEEL, 2PCS; BODY, STAINLESS STEEL, 1PC; PLUG, STAINLESS STEEL AND CADMIUM PLATED, 1PC; CONE, STAINLESS STEEL, 1PC; DEFLECTOR, STAINLESS STEEL, 1PC; SEAT - CHECK VALVE, STAINLESS STEEL AND CADMIUM PLATE, 1PC; SEAT, CHECK VALVE MUST BE HEAT TREAT TO 225-250 BHN; Part Name Assigned by Controlling Agency: SEPARATOR ASSEMBLY - 4TH STAGE; End Item Identification: COMPRESSOR; WSD SEAWOLF CLASS SSN. 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.