The Adapter,mechanical Test, cataloged under National Stock Number 4940-01-491-7814, is classified within Federal Supply Class 4940 (Miscellaneous 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-491-7814 |
| Primary Part Number | PWA500318 |
| Item Name | Adapter,mechanical Test |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Package Nominal Overall Height and Type | 12.00 INCHES SHIPPING CONTAINER IN |
| Package Nominal Overall Width and Type | 12.00 INCHES SHIPPING CONTAINER IN |
| Overall Diameter | 8.000 INCHES NOMINAL IN |
| Reference Data and Literature | SERD9369 |
| Package Nominal Overall Length and Type | 12.00 INCHES SHIPPING CONTAINER IN |
| Functional Description | ADAPTER SEALS THE TOWER SHAFT BOSS ON THE INTERMEDIATE CASE DURING AIR LEAK CHECK OF INTERMEDIATE CASE TOWER SHAFT 2-3 BEARING COMPARTMENT |
| Material | STEEL |
| Gross Weight | 5.0 SHIPPING CONTAINER POUNDS |
| 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 |
|---|---|
| PWA500318 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4940PL0902141 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4940-01-491-7814 is a Adapter,mechanical Test, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-491-7814 has 1 manufacturer part number on file: PWA500318 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA500318: Overall Height: 4.000 INCHES NOMINAL IN; Package Nominal Overall Height and Type: 12.00 INCHES SHIPPING CONTAINER IN; Package Nominal Overall Width and Type: 12.00 INCHES SHIPPING CONTAINER IN; Overall Diameter: 8.000 INCHES NOMINAL IN. 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.
NSN 4940-01-491-7814 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.