The Pump Assembly,air, cataloged under National Stock Number 2990-01-165-8113, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Ford Motor Craft. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-165-8113 |
| Primary Part Number | CX631 |
| Item Name | Pump Assembly,air |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Ford Motor Craft |
| Status | ACTIVE |
| General Characteristics Item Description | EXHAUST AIR SUPPLY |
| 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 |
|---|---|
| CX631 | Ford Motor Craft (USA) |
| Reference | Meaning |
|---|---|
| E1TZ-9A486-D | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| D5TZ9A486C | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| E1TZ-9A486-D | 5/9 Secondary reference Ford Motor Company |
| E1TE-9A486-D1A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| E1TE-9A486-D1A | 3/9 Design control — primary reference Ford Motor Company |
NSN 2990-01-165-8113 is a Pump Assembly,air, manufactured by Ford Motor Craft, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-165-8113 has 1 manufacturer part number on file: CX631 (Ford Motor Craft).
Key specifications for CX631: General Characteristics Item Description: EXHAUST AIR SUPPLY; End Item Identification: FOR FORD TRUCK 1981,SERIES 600/900. 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.