NSN 2835-01-517-6991 · NIIN 015176991 · Part number 3404200
W S Darley & Co Div Darley Pump Division · FSC 2835 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components · FSG 28 — Engines, Turbines, and Components · CAGE 5B337
Government record, cited
NSN 2835-01-517-6991 — this item is cataloged by the U.S. Government under National Stock Number 2835-01-517-6991. Manufacturer of record part number: 3404200.
Also searched as2835-01-517-6991 ·
2835015176991 ·
NIIN 015176991 ·
01-517-6991 ·
FSC 2835 Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components · CAGE 5B337 · 3404200
Nearby stock numbers← 2835-01-517-3329 Turbine Assembly, Nonaircraft Gas
·
2835-01-517-9287 Nozzle, Lubricating, Nonaircraft G →
Features
Seal Ring,labyrinth,nonaircraft — FSC 2835
Engine Section Location: COMPRESSOR
Material: COPPER OR NICKEL OVERALL
1 manufacturer part number on file
Manufacturer of record: W S Darley & Co Div Darley Pump Division
Identification
NSN: 2835-01-517-6991
NIIN: 015176991
FSC: 2835 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 3404200
Manufacturer: W S Darley & Co Div Darley Pump Division
General Description
The Seal Ring,labyrinth,nonaircraft, cataloged under National Stock Number 2835-01-517-6991, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is W S Darley & Co Div Darley Pump Division. Government technical data includes 2 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2835-01-517-6991
Primary Part Number
3404200
Item Name
Seal Ring,labyrinth,nonaircraft
FSC / FSG
2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components
Other items in FSC 2835 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2835-00-055-1954
2835-00-055-1954 · Item name not on file
2835-00-076-6471
NOZZLE ASSEMBLY,OIL
2835-00-082-1005
2835-00-082-1005 · Item name not on file
2835-00-318-9258
CABLE ASSY,SPECIAL
2835-00-340-7539
2835-00-340-7539 · Item name not on file
2835-00-340-7670
2835-00-340-7670 · Item name not on file
2835-00-356-2739
2835-00-356-2739 · Item name not on file
2835-00-716-4668
ADAPTER,TANK FILLER
Frequently Asked Questions
What is NSN 2835-01-517-6991?
NSN 2835-01-517-6991 is a Seal Ring,labyrinth,nonaircraft, manufactured by W S Darley & Co Div Darley Pump Division, classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
What part numbers are listed for NSN 2835-01-517-6991?
NSN 2835-01-517-6991 has 1 manufacturer part number on file: 3404200 (W S Darley & Co Div Darley Pump Division).
What are the specifications of 3404200?
Key specifications for 3404200: Engine Section Location: COMPRESSOR; Part Name Assigned by Controlling Agency: SEAL RING,PS; End Item Identification: 4210-01-486-1035; Material: COPPER OR NICKEL OVERALL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 2835-01-517-6991 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.
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.