The Liner,rotary Pump, cataloged under National Stock Number 2840-00-317-4020, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-00-317-4020 |
| Primary Part Number | RS16741-178 |
| Item Name | Liner,rotary Pump |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| General Characteristics Item Description | NITRALLOY,135,MODIFIED MIL-S-6709,COMPOSITION A,1.008 IN.MIN,1.009 IN. MAX ID,1.3119 IN. MIN,1.3124 IN. MAX OD,0.3900 IN. MIN,0.3895 IN. MAX THK IN |
| 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 |
|---|---|
| RS16741-178 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
| Reference | Meaning |
|---|---|
| RB16111 | 5/1 Secondary reference Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
NSN 2840-00-317-4020 is a Liner,rotary Pump, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-317-4020 has 1 manufacturer part number on file: RS16741-178 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RS16741-178: General Characteristics Item Description: NITRALLOY,135,MODIFIED MIL-S-6709,COMPOSITION A,1.008 IN.MIN,1.009 IN. MAX ID,1.3119 IN. MIN,1.3124 IN. MAX OD,0.3900 IN. MIN,0.3895 IN. MAX THK IN; End Item Identification: J-85 AIRCRAFT ENGINE. 1 specification is 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 2840-00-317-4020 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.