The Cover,governor, cataloged under National Stock Number 2990-00-977-9049, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-977-9049 |
| Primary Part Number | 5127576 |
| Item Name | Cover,governor |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL PLATE AND LEVER ARM,PLATE 4.125 IN.O/A LG,3.000 IN.W,0.250 IN.THK,FOUR UNTHD MTG HOLES,0.250 IN.DIA,15 DEGREE ARM ROTATION,3.000 IN.O/A H INCLUDING ROTATING ARM,WITH BRASS WASHER,RIGHT HAND APPLICATION 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 |
|---|---|
| 5127576 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5174402 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 5122452 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
NSN 2990-00-977-9049 is a Cover,governor, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-977-9049 has 1 manufacturer part number on file: 5127576 (Rolls-Royce Solutions America Inc).
Key specifications for 5127576: General Characteristics Item Description: STEEL PLATE AND LEVER ARM,PLATE 4.125 IN.O/A LG,3.000 IN.W,0.250 IN.THK,FOUR UNTHD MTG HOLES,0.250 IN.DIA,15 DEGREE ARM ROTATION,3.000 IN.O/A H INCLUDING ROTATING ARM,WITH BRASS WASHER,RIGHT HAND APPLICATION 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.