The Extractor,compressor Diaphragm, cataloged under National Stock Number 4920-01-167-0541, 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 Rolls-Royce Defense Services Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-167-0541 |
| Primary Part Number | S3S17010000 |
| Item Name | Extractor,compressor Diaphragm |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rolls-Royce Defense Services Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 3.75 IN. LG,6 IN. W,0.25 IN. H; HIGH TENSILE STEEL; DULL CHROME PLATE IN |
| Functional Description | USED TO REMOVE LP COMPRESSOR DIAPHRAGM FROM INTERMEDIATE CASING; ALSO TO REMOVE NO. 4 BEARING SUPPORT DIAPHRAGM AND RETAINING RING |
| 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 |
|---|---|
| S3S17010000 PRIMARY | Rolls-Royce Defense Services Inc (USA) |
| Reference | Meaning |
|---|---|
| S3S17010000 | 5/9 Secondary reference Rolls-Royce Plc Div Defense (europe) |
| S3S17010000 | 5/9 Secondary reference Rolls-Royce Corporation |
NSN 4920-01-167-0541 is a Extractor,compressor Diaphragm, manufactured by Rolls-Royce Defense Services Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-167-0541 has 1 manufacturer part number on file: S3S17010000 (Rolls-Royce Defense Services Inc).
Key specifications for S3S17010000: General Characteristics Item Description: 3.75 IN. LG,6 IN. W,0.25 IN. H; HIGH TENSILE STEEL; DULL CHROME PLATE IN; Functional Description: USED TO REMOVE LP COMPRESSOR DIAPHRAGM FROM INTERMEDIATE CASING; ALSO TO REMOVE NO. 4 BEARING SUPPORT DIAPHRAGM AND RETAINING RING; End Item Identification: F402 VECTORED THRUST ENGINE. 2 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 4920-01-167-0541 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.