The Cover,outlet,heat Exchanger, cataloged under National Stock Number 2930-00-898-4459, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2930-00-898-4459 |
| Primary Part Number | 23509557 |
| Item Name | Cover,outlet,heat Exchanger |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON,8.360 IN. W,1.000 IN. THK,9.385 IN. O/A LG,14 MTG HOLES,0.344 IN. DIA,SEAL RETAINER PLATE,SIX THD HOLES,0.312-18 UNC,CLASS 3B,0.620 IN. DEEP,0.276 IN. PITCH DIA 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 |
|---|---|
| 23509557 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5130199 | 5/9 Secondary reference General Motors Corp |
| 5130199 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
NSN 2930-00-898-4459 is a Cover,outlet,heat Exchanger, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-898-4459 has 1 manufacturer part number on file: 23509557 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-997-9531. Verify interchangeability with system specifications before substitution.
Key specifications for 23509557: General Characteristics Item Description: CAST IRON,8.360 IN. W,1.000 IN. THK,9.385 IN. O/A LG,14 MTG HOLES,0.344 IN. DIA,SEAL RETAINER PLATE,SIX THD HOLES,0.312-18 UNC,CLASS 3B,0.620 IN. DEEP,0.276 IN. PITCH DIA 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.