Piston, Hydraulic Brake1630-01-641-5825

NSN 1630-01-641-5825 · NIIN 016415825 · Part number A35581

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 1630 — Aircraft Wheel and Brake Systems · FSG 16 — Aircraft Components and Accessories · CAGE 78286

Government record, cited

NSN 1630-01-641-5825 — this item is cataloged by the U.S. Government under National Stock Number 1630-01-641-5825. Manufacturer of record part number: A35581.

Also searched as 1630-01-641-5825 · 1630016415825 · NIIN 016415825 · 01-641-5825 · FSC 1630 Aircraft Wheel and Brake Systems · CAGE 78286 · A35581

Nearby stock numbers ← 1630-01-641-5565 Plate, Backing, Brake · 1630-01-641-5838 Stator, Disc Brake →

Features

Piston,hydraulic Brake — FSC 1630
1 manufacturer part number on file
Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

Identification

NSN: 1630-01-641-5825
NIIN: 016415825
FSC: 1630 — Aircraft Wheel and Brake Systems
FSG: 16 — Aircraft Components and Accessories
Primary part number: A35581
Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

General Description

The Piston,hydraulic Brake, cataloged under National Stock Number 1630-01-641-5825, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Piston,hydraulic Brake
FSC / FSG	1630 — Aircraft Wheel and Brake Systems (FSG 16)
Manufacturers	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286)

Technical Specifications

Parameter	Value
NSN	1630-01-641-5825
Primary Part Number	A35581
Item Name	Piston,hydraulic Brake
FSC / FSG	1630 / 16 — Aircraft Wheel and Brake Systems
Manufacturer	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
A35581 PRIMARY	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)

No interchangeability data on file.

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 1630-01-641-5825?

NSN 1630-01-641-5825 is a Piston,hydraulic Brake, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.

What part numbers are listed for NSN 1630-01-641-5825?

NSN 1630-01-641-5825 has 1 manufacturer part number on file: A35581 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

Is NSN 1630-01-641-5825 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.

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