The Vacuum Pump,reciprocating, cataloged under National Stock Number 4310-01-290-0882, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-290-0882 |
| Primary Part Number | PWA57371 |
| Item Name | Vacuum Pump,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Pumping Element Type | PISTON |
| Vacuum Rating | 30.0 INCHES OF MERCURY IN |
| Gas for Which Designed | AIR |
| Functional Description | USED IN SUPPORT OF TESTS TO PRATT AND WHITNEY TURBOFAN ENGINES F100,PW100/200/220/229; THIS IS USED TO CHECK THE PS2 TO DEEC SYS FOR LEAKS,THIS ITEM IS USED TO PRECLUDE ERRONEOUS TEST SIGNALS AND RESULTS BY PRODUCING A VACUUM; THE PUMP END IS CONNECTED TO A FLEXIBLE HOSE AND THE PUMP IS MANUALLY PRESSURED BY A HAND GRIP; A GAGE RANGING FROM 0 TO 30 PSI MERCURY IS ATTACHED; OPERATOR HAND PUMPS TO 8 IN. MERCURY AND WATCHES FOR PRESSURE DECREASE OVER 60 SEC IN |
| Cylinder Arrangement Style | HORIZONTAL DESIGN |
| System Design | NONCORROSIVE |
| Material | STEEL PUMP BODY |
| Pump Cylinder Quantity | 1 |
| 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 |
|---|---|
| PWA57371 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4310-01-290-0882 is a Vacuum Pump,reciprocating, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-290-0882 has 1 manufacturer part number on file: PWA57371 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA57371: Pumping Element Type: PISTON; Vacuum Rating: 30.0 INCHES OF MERCURY IN; Overall Length: 18.000 INCHES NOMINAL IN; Gas for Which Designed: AIR. 8 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.