The Chamber,vacuum, cataloged under National Stock Number 4920-01-398-2486, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-398-2486 |
| Primary Part Number | PWA34571 |
| Item Name | Chamber,vacuum |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | APPROX. 36.000 IN. LG; 20.5000 IN. WD; 49.000 IN. HT; 145.000 LB. WT LBS |
| Reference Data and Literature | SERD 1904 |
| Functional Description | USED TO REMOVE THE AIR FROM THE REPLACEMENT SILICON RUBBER COMPOUND OF THE FRIST STAGE COMPRESSOR STATOR ASSEMBLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PWA34571 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL0874479 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-398-2486 is a Chamber,vacuum, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-398-2486 has 1 manufacturer part number on file: PWA34571 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA34571: General Characteristics Item Description: APPROX. 36.000 IN. LG; 20.5000 IN. WD; 49.000 IN. HT; 145.000 LB. WT LBS; Reference Data and Literature: SERD 1904; Special Features: CONSISTS OF A STAINLESS STEEL CYLINDRICAL CHAMBER; PLEXIGLAS DISK SHAPED CHAMBER CAP; AN ALUMINUM CART WITH FOUR CASTERS; ELECTRIC VACUUM PUMP; VACUUM GAGE AND ASSORTED PLUMBING; Functional Description: USED TO REMOVE THE AIR FROM THE REPLACEMENT SILICON RUBBER COMPOUND OF THE FRIST STAGE COMPRESSOR STATOR ASSEMBLY. 3 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.
NSN 4920-01-398-2486 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.