The Piston,check Valve, cataloged under National Stock Number 2915-00-396-5134, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2915-00-396-5134 |
| Primary Part Number | 212490 |
| Item Name | Piston,check Valve |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL AMS5613,35 TO 40 HARDNESS ROCKWELL C SCALE,2.190 IN. MIN 2.210 IN. MAX O/A LG IN |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 212490 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 212490 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 212490 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 2915-00-396-5134 is a Piston,check Valve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-00-396-5134 has 2 manufacturer part numbers on file: 212490 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 212490 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 212490: General Characteristics Item Description: STAINLESS STEEL AMS5613,35 TO 40 HARDNESS ROCKWELL C SCALE,2.190 IN. MIN 2.210 IN. MAX O/A LG IN; Criticality Code Justification: FEAT; Special Features: FORM,FIT,FUNCITION; End Item Identification: FUEL PRESS + DRAIN VALVE 405756,405764,405781. 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.
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.