NSN 1630-01-686-7450 · NIIN 016867450 · Part number UHK31318-1
General Atomics Aeronautical Systems, Inc. · FSC 1630 — Aircraft Wheel and Brake Systems · FSG 16 — Aircraft Components and Accessories · CAGE 0YJB5
Government record, cited
NSN 1630-01-686-7450 — this item is cataloged by the U.S. Government under National Stock Number 1630-01-686-7450. Manufacturer of record part number: UHK31318-1.
Also searched as1630-01-686-7450 ·
1630016867450 ·
NIIN 016867450 ·
01-686-7450 ·
FSC 1630 Aircraft Wheel and Brake Systems · CAGE 0YJB5 · UHK31318-1
Manufacturer of record: General Atomics Aeronautical Systems, Inc.
Identification
NSN: 1630-01-686-7450
NIIN: 016867450
FSC: 1630 — Aircraft Wheel and Brake Systems
FSG: 16 — Aircraft Components and Accessories
Primary part number: UHK31318-1
Manufacturer: General Atomics Aeronautical Systems, Inc.
General Description
The Cylinder Assembly,hydraulic Brak, cataloged under National Stock Number 1630-01-686-7450, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is General Atomics Aeronautical Systems, Inc.. 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
1630-01-686-7450
Primary Part Number
UHK31318-1
Item Name
Cylinder Assembly,hydraulic Brak
FSC / FSG
1630 / 16 — Aircraft Wheel and Brake Systems
Manufacturer
General Atomics Aeronautical Systems, Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
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.
1630-00-027-5238
SEAT AND POPPET
1630-00-047-2409
1630-00-047-2409 · Item name not on file
1630-00-075-6471
1630-00-075-6471 · Item name not on file
1630-00-083-0381
1630-00-083-0381 · Item name not on file
1630-00-093-9628
SLEEVE
1630-00-111-2926
CYLINDER,BRAKE
1630-00-347-0291
ARM ASSY,BRAKE VALV
1630-01-650-2997
STATOR TUBE,TORQUE,BRAKE
Frequently Asked Questions
What is NSN 1630-01-686-7450?
NSN 1630-01-686-7450 is a Cylinder Assembly,hydraulic Brak, manufactured by General Atomics Aeronautical Systems, Inc., classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
What part numbers are listed for NSN 1630-01-686-7450?
NSN 1630-01-686-7450 has 1 manufacturer part number on file: UHK31318-1 (General Atomics Aeronautical Systems, Inc.).
What are the specifications of UHK31318-1?
Key specifications for UHK31318-1: Part Name Assigned by Controlling Agency: END EYE,SERVO,MASTER CYLINDER (QTY 2); End Item Identification: MQ-9A UNMANNED AIRCRAFT SYSTEM A. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1630-01-686-7450 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.
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.