NSN 1650-00-449-3398 · NIIN 004493398 · Part number B803
Goodrich Corporation · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 25472
Government record, cited
NSN 1650-00-449-3398 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-449-3398. Manufacturer of record part number: B803.
Also searched as1650-00-449-3398 ·
1650004493398 ·
NIIN 004493398 ·
00-449-3398 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 25472 · B803
General Characteristics Item Description: CAST IRON; 6.250 IN. OD; 5.000 IN. ID; 3.625 IN. HT IN
1 manufacturer part number on file
Manufacturer of record: Goodrich Corporation
Identification
NSN: 1650-00-449-3398
NIIN: 004493398
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: B803
Manufacturer: Goodrich Corporation
General Description
The Diaphragm,de-Icer Control, cataloged under National Stock Number 1650-00-449-3398, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Goodrich Corporation. 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1650-00-449-3398
Primary Part Number
B803
Item Name
Diaphragm,de-Icer Control
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer
Goodrich Corporation
Status
ACTIVE
General Characteristics Item Description
CAST IRON; 6.250 IN. OD; 5.000 IN. ID; 3.625 IN. HT IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6210-00-716-3335B803POSSIBLE MATCH
KIT,TRANSFORMER ASS
Possible match (shared part number)L.c.doane Company,the Dba Lc Doane Co
4730-01-042-9111POSSIBLE MATCH
INSERT SET,SOUND ISOLATION
Possible match (shared part number)
5310-01-251-1655B803POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Microflect Co. Inc. Dba Valmont/microflect
5998-01-505-3801B803POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
NSN 1650-00-449-3398 is a Diaphragm,de-Icer Control, manufactured by Goodrich Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-00-449-3398?
NSN 1650-00-449-3398 has 1 manufacturer part number on file: B803 (Goodrich Corporation).
What NSN replaces 1650-00-449-3398?
4 possible matches (shared part number, not a government interchangeability claim): 6210-00-716-3335, 4730-01-042-9111, 5310-01-251-1655. Verify interchangeability with system specifications before substitution.
What are the specifications of B803?
Key specifications for B803: General Characteristics Item Description: CAST IRON; 6.250 IN. OD; 5.000 IN. ID; 3.625 IN. HT IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1650-00-449-3398 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 1650-00-449-3398?
NSN 1650-00-449-3398 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.