The Valve,positive Crankcase Ventila, cataloged under National Stock Number 2990-00-504-1376, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Arvinmeritor Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-504-1376 |
| Primary Part Number | PV73 |
| Item Name | Valve,positive Crankcase Ventila |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Arvinmeritor Inc |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Nominal Inside Diameter Hose Accommodated | 0.375 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL HOSE, PLAIN |
| Vehicle Year(s) | 1973 |
| Vehicle Identification Designator | CORVETTE |
| Vehicle Design Control Activity | 11862 |
| 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 |
|---|---|
| PV73 PRIMARY | Arvinmeritor Inc (USA) |
| 6484525 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| FV160 PRIMARY | Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA) |
| PV-681 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| PCV57 | 5/9 Secondary reference U.S. Government activity |
| PCV221 | 5/9 Secondary reference U.S. Government activity |
| PCV215 | 5/9 Secondary reference U.S. Government activity |
| PCV223 | 5/9 Secondary reference U.S. Government activity |
| CV746C | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| D30Z-6A666A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| CV746C | 5/9 Secondary reference General Motors Llc Dba General Motors |
| 6484525 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| PCV201 | 5/9 Secondary reference U.S. Government activity |
| C9TZ-6A666A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 6484525 | 5/9 Secondary reference General Motors Corp |
| D30Z-6A666A | 5/9 Secondary reference Ford Motor Company |
| C9TZ-6A666A | 5/9 Secondary reference Ford Motor Company |
NSN 2990-00-504-1376 is a Valve,positive Crankcase Ventila, manufactured by Arvinmeritor Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-504-1376 has 4 manufacturer part numbers on file: PV73 (Arvinmeritor Inc), 6484525 (General Motors Llc Dba General Motors Llc), FV160 (Honeywell International Inc Dba Honeywell Div Consumer Products Group), PV-681 (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for PV73: Design Form: STRAIGHT; Nominal Inside Diameter Hose Accommodated: 0.375 INCHES IN; Connection Type: UNTHREADED EXTERNAL HOSE, PLAIN; Vehicle Year(s): 1973. 6 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.
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.