The Cooler,lubricating Oil,engine, cataloged under National Stock Number 2930-01-673-7920, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Marvin Land Systems, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-01-673-7920 |
| Primary Part Number | 406-9900P |
| Item Name | Cooler,lubricating Oil,engine |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Marvin Land Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 406-9900P PRIMARY | Marvin Land Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 262-8592042 FN 18 | D/9 Drawing number reference only Naval Sea Systems Command |
| 262-8592023-002 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2930-01-673-7920 is a Cooler,lubricating Oil,engine, manufactured by Marvin Land Systems, Inc., classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-673-7920 has 1 manufacturer part number on file: 406-9900P (Marvin Land Systems, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-676-0514, 5365-01-676-0520, 4820-01-676-0526. Verify interchangeability with system specifications before substitution.
Key specifications for 406-9900P: Part Name Assigned by Controlling Agency: COOLER, HYRAULIC OIL; End Item Identification: COOLER, HYDRA. 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.
NSN 2930-01-673-7920 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.