PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1565-64171-000Support,servo Unit

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · NSN 1650-00-604-8523 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-604-8523 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-604-8523. Primary manufacturer part number: S1565-64171-000.
Features
  • Support,servo Unit — FSC 1650
  • General Characteristics Item Description: ALUMINUM ALLOY; 2.202 IN. LG,2 HOLES 0.281 IN. DIA WITH 2 KS3L BEARINGS PRESS FIT INTO SUPPORT 120 DEG APART IN
  • 4 verified cross-references
  • Primary manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Support,servo Unit, cataloged under National Stock Number 1650-00-604-8523, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-604-8523
Primary Part NumberS1565-64171-000
Item NameSupport,servo Unit
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY; 2.202 IN. LG,2 HOLES 0.281 IN. DIA WITH 2 KS3L BEARINGS PRESS FIT INTO SUPPORT 120 DEG APART IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-078-1675A1002 INTERCHANGEABLE
Semiconductor Device,diode
Avago Technologies Us Inc Div Avago Technologies
3040-00-125-9315296AX INTERCHANGEABLE
Ball Joint
Oshkosh Defense Llc
3930-00-140-3875A100-Z INTERCHANGEABLE
Adapter,reservoir
Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control
6240-00-155-8671 INTERCHANGEABLE
Lamp,incandescent
1660-00-166-6186A100-2 INTERCHANGEABLE
Cap,body,first Stag
Essex Industries, Inc. Dba Essex Industries
2815-00-353-0101A1002 INTERCHANGEABLE
Body
Asrc Federal Facilities Logistics, Llc
5930-00-401-7751 INTERCHANGEABLE
Switch,mercury
5905-00-518-8536 INTERCHANGEABLE
Resistor,thermal
2530-00-769-648720B62 INTERCHANGEABLE
Brake Drum
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5999-01-126-321674A720652-1001 INTERCHANGEABLE
Shielding Gasket,electronic
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
S1565-64171-000 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
S1565-64171 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
1560H37-051 Us Army Aviation and Missile Command (USA)
A1002 Hesskamp Machine and Tool Co
Related Parts
5961-00-078-1675INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A1002
3040-00-125-9315INTERCHANGEABLE
BALL JOINT
296AX
3930-00-140-3875INTERCHANGEABLE
ADAPTER,RESERVOIR
A100-Z
6240-00-155-8671INTERCHANGEABLE
LAMP,INCANDESCENT
1660-00-166-6186INTERCHANGEABLE
CAP,BODY,FIRST STAG
A100-2
2815-00-353-0101INTERCHANGEABLE
BODY
A1002
5930-00-401-7751INTERCHANGEABLE
SWITCH,MERCURY
5905-00-518-8536INTERCHANGEABLE
RESISTOR,THERMAL
2530-00-769-6487INTERCHANGEABLE
BRAKE DRUM
20B62
5999-01-126-3216INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
74A720652-1001
3040-01-190-1118INTERCHANGEABLE
BALL JOINT
6625-01-251-1206INTERCHANGEABLE
TEST SET,ELECTRONIC SYSTEMS
A1002

Frequently Asked Questions

What is NSN 1650-00-604-8523?

NSN 1650-00-604-8523 is a Support,servo Unit, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-604-8523?

NSN 1650-00-604-8523 has 4 cross-referenced part numbers: S1565-64171-000 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S1565-64171 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 1560H37-051 (Us Army Aviation and Missile Command), A1002 (Hesskamp Machine and Tool Co).

What NSN replaces 1650-00-604-8523?

There are 12 known substitutes for 1650-00-604-8523: 5961-00-078-1675, 3040-00-125-9315, 3930-00-140-3875 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1565-64171-000?

Key specifications for S1565-64171-000: General Characteristics Item Description: ALUMINUM ALLOY; 2.202 IN. LG,2 HOLES 0.281 IN. DIA WITH 2 KS3L BEARINGS PRESS FIT INTO SUPPORT 120 DEG APART IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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