The Sensor,fuel Mass,ai, cataloged under National Stock Number 2990-01-464-0657, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Rolls Royce Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-464-0657 |
| Primary Part Number | 23089530 |
| Item Name | Sensor,fuel Mass,ai |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Rolls Royce Corp |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 23089530 PRIMARY | Rolls Royce Corp (USA) |
| Reference | Meaning |
|---|---|
| 23052613 | 5/9 Secondary reference Rolls Royce Corp |
| NSN SPECIFIC V-22 AE1107C ENGINE | 5/9 Secondary reference Rolls Royce Corp |
| 23063203 | 5/9 Secondary reference Rolls Royce Corp |
NSN 2990-01-464-0657 is a Sensor,fuel Mass,ai, manufactured by Rolls Royce Corp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-464-0657 has 1 manufacturer part number on file: 23089530 (Rolls Royce Corp).
2 possible matches (shared part number, not a government interchangeability claim): 2915-01-475-7917, 2915-01-602-2245. Verify interchangeability with system specifications before substitution.
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 2990-01-464-0657 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.