NSN 2840-00-778-8352 · NIIN 007788352 · Part number RA16557
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 51663
Government record, cited
NSN 2840-00-778-8352 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-778-8352. Manufacturer of record part number: RA16557.
Also searched as2840-00-778-8352 ·
2840007788352 ·
NIIN 007788352 ·
00-778-8352 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 51663 · RA16557
Manufacturer of record: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
Identification
NSN: 2840-00-778-8352
NIIN: 007788352
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: RA16557
Manufacturer: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
General Description
The Valve,relief, cataloged under National Stock Number 2840-00-778-8352, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-00-778-8352
Primary Part Number
RA16557
Item Name
Valve,relief
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
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
No interchangeability data on file.
Other items in FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-004-4242
2840-00-004-4242 · Item name not on file
2840-00-021-4702
PLATE,RETAINING,TUB
2840-00-043-0981
BRACKET ASSEMBLY,TUBING
2840-00-043-0982
BRACKET ASSEMBLY,TUBING
2840-00-048-5261
2840-00-048-5261 · Item name not on file
2840-00-407-9165
DIPSTICK,ENGINE
2840-01-171-0875
SEAL,FUEL
2840-01-171-0875
SEAL,FUEL
Frequently Asked Questions
What is NSN 2840-00-778-8352?
NSN 2840-00-778-8352 is a Valve,relief, 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.
What part numbers are listed for NSN 2840-00-778-8352?
NSN 2840-00-778-8352 has 1 manufacturer part number on file: RA16557 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
What are the specifications of RA16557?
Key specifications for RA16557: End Item Identification: ENGINE J-85. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2840-00-778-8352 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 2840-00-778-8352?
NSN 2840-00-778-8352 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.