NSN 1630-00-030-4595 · NIIN 000304595 · Part number 20-41199-3
The Boeing Company Div Defense · FSC 1630 — Aircraft Wheel and Brake Systems · FSG 16 — Aircraft Components and Accessories · CAGE 76301
Government record, cited
NSN 1630-00-030-4595 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-030-4595. Manufacturer of record part number: 20-41199-3.
Also searched as1630-00-030-4595 ·
1630000304595 ·
NIIN 000304595 ·
00-030-4595 ·
FSC 1630 Aircraft Wheel and Brake Systems · CAGE 76301 · 20-41199-3
General Characteristics Item Description: ALUMINUM ALLOY QQ-A-277 T6,4.875 IN. O/A DIA,1.000 IN. LG IN
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Defense
Identification
NSN: 1630-00-030-4595
NIIN: 000304595
FSC: 1630 — Aircraft Wheel and Brake Systems
FSG: 16 — Aircraft Components and Accessories
Primary part number: 20-41199-3
Manufacturer: The Boeing Company Div Defense
General Description
The Retainer,main Brake, cataloged under National Stock Number 1630-00-030-4595, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1630-00-030-4595
Primary Part Number
20-41199-3
Item Name
Retainer,main Brake
FSC / FSG
1630 / 16 — Aircraft Wheel and Brake Systems
Manufacturer
The Boeing Company Div Defense
Status
ACTIVE
General Characteristics Item Description
ALUMINUM ALLOY QQ-A-277 T6,4.875 IN. O/A DIA,1.000 IN. LG IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 1630 — Aircraft Wheel and Brake Systems
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1630-00-001-2283
DISC,BRAKE
1630-00-001-8356
DISC,BRAKE
1630-00-003-3083
SLEEVE,WHEEL
1630-00-004-2811
END FITTING,BRAKE ACTUATOR HYDRA
1630-00-004-4065
1630-00-004-4065 · Item name not on file
1630-00-005-1707
PARTS KIT,WHEEL,OVERHAUL
1630-00-006-8704
HOUSING,BRAKE,MULTIPLE DISK
1630-00-006-8705
TUBE,TORQUE,BRAKE
Frequently Asked Questions
What is NSN 1630-00-030-4595?
NSN 1630-00-030-4595 is a Retainer,main Brake, manufactured by The Boeing Company Div Defense, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
What part numbers are listed for NSN 1630-00-030-4595?
NSN 1630-00-030-4595 has 1 manufacturer part number on file: 20-41199-3 (The Boeing Company Div Defense).
What are the specifications of 20-41199-3?
Key specifications for 20-41199-3: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-277 T6,4.875 IN. O/A DIA,1.000 IN. LG IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1630-00-030-4595 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1630-00-030-4595?
NSN 1630-00-030-4595 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.