The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-418-8744, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-418-8744 |
| Primary Part Number | PWA 57860 |
| Item Name | Fixture,engine Maintenance,aircr |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Nominal Overall Width | 8.000 INCHES IN |
| Nominal Overall Length | 5.000 INCHES IN |
| Reference Data and Literature | SERD NO 7663 |
| Nominal Overall Height | 12.000 INCHES IN |
| Functional Description | USED TO HOLD SUPPORT AND ALLOWS FOR ROTATION OF SEALS AND SUPPORT DURING HEATING, RESULTING IN EVEN SHRINKAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PWA 57860 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL0828926 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| PWA 57860 | 5/1 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 4920-01-418-8744 is a Fixture,engine Maintenance,aircr, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-418-8744 has 1 manufacturer part number on file: PWA 57860 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA 57860: Nominal Overall Width: 8.000 INCHES IN; Nominal Overall Length: 5.000 INCHES IN; Reference Data and Literature: SERD NO 7663; Nominal Overall Height: 12.000 INCHES IN. 5 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 4920-01-418-8744 has DEMIL Code B. 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.