The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-00-072-1685, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-072-1685 |
| Primary Part Number | PWA17507 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Nominal Overall Diameter | 19.875 INCHES IN |
| Functional Description | USED DURING HEAT SHEILDING OF COMBUSTION CHAMBER |
| 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 |
|---|---|
| PWA17507 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-00-072-1685 is a Fixture,aircraft Maintenance, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-072-1685 has 1 manufacturer part number on file: PWA17507 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA17507: Nominal Overall Diameter: 19.875 INCHES IN; Special Features: C/O BLOCK 16,DOWELL 4,PAD 4,CLAMP 4,ROD 16,HAND KNOB 16,RING 5,PLUG 17,HOSE ASSY 1,ELBOW 1,TUBE 8,NUT 4,WASHER 4,AND SCREW 20; Functional Description: USED DURING HEAT SHEILDING OF COMBUSTION CHAMBER; End Item Identification: U/O TF33P3 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 4920-00-072-1685 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.