Linear Actuating Cylinder

21-61387-1

21-61387-1
(NSN) National Stock Number
1720-01-116-8657
Federal Supply Classification
1720 Aircraft Launching Equipment
Item Name Code
22017
Schedule B Code
8805100000
Summary

Steel body material, threaded mounting holes mounting provision, 217.812 inches nominal overall length, 8.003 inches minimum and 8.005 inches maximum bore diameter, 9.625 inches nominal body outside diameter, 16.750 inches nominal overall diameter

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
2 - - KE
Identification

A cylinder designed to house a piston and other necessary component parts of a cylinder assembly, actuating, linear. Do not use if a more specific name applies.

INC FIIG Concept Condition
22017 A34200 1 2
Specifications
Body Material
steel
Details The basic material of which the body is fabricated. please use mrc matt withisac coding for body in place of this discontinued mrc.
Mounting Provision
threaded mounting holes
Details The provision/s/ for mounting the item. please use mrc bhms in place of this discontinued mrc.
Overall Length
217.812 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Bore Diameter
8.003 inches minimum and 8.005 inches maximum
Details The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
Body Outside Diameter
9.625 inches nominal
Details The length of a straight line which passes through the center of the body,and terminates at the outside circumference.
Overall Diameter
16.750 inches nominal
Details A measurement of the longest straight line across a circular cross-sectional plane.
Seat Angle In Deg
37.0
Details The angle of the end surface upon which the mated surface seats,expressed in degrees.
Mounting Facility Thread Class
3b
Details A numeric-alpha designator indicating the pitch diameter tolerance,and an external or internal threaded mounting facility.
Mounting Facility Thread Direction
right-hand
Details The direction of the threads of a mounting facility when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Mounting Facility Thread Series Designator
unc
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale applied to a mounting facility diameter.
Mounting Facility Thread Diameter
1.125 inches nominal
Details The length of a straight line which passes through the center of the mounting facility which would bound the crest of an external thread or the root of an internal thread.
Mounting Facility Thread Quantity Per Inch
7
Details The number of threads on the mounting facility per linear inch measured on a line parallel to the thread axis.
Mounting Type And Location
flange both ends
Details Indicates the type of mounting and the location on the item.
Port Location And Quantity
2 cylinder head end
Details Indicates the location and number of ports on the item.
Port Location And Quantity
2 piston rod end
Details Indicates the location and number of ports on the item.
Port Style
gasket seal single port
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the port.
Port Style
flare all ports
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the port.
Port Thread Series Designator
unf single port
Details A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter on the port.
Port Thread Series Designator
npsm all ports
Details A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter on the port.
Port Thread Diameter
0.562 inches nominal
Details The length of a straight line which passes through the center of the port and would bound the crest of an external thread or the root of an internal thread.
Port Thread Quantity Per Inch
18
Details A measurement of the number of screw threads on the port per linear inch,including incomplete threads,on a line parallel to the thread axis.
Port Thread Class
3b
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal port thread.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
63220 - W M
RVC WCC TCC SHC
- 671 Z 9

Provided with every order

Order with confidence, we are a valued certified supplier serving customers in the military and aerospace industries.

  • Counterfeit Parts Prevention
  • 100% Product Inspections
  • 7 Year Record Retention
  • On Time Delivery
  • HAZMAT Certified
  • Worldwide Shipping
Manufacturer
NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL
CAGE: 80020
LAKEHURST , NJ , 08733-5035
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 1720-01-116-8657
What is the NIIN of the NSN 1720-01-116-8657?
The National Item Identification Number (NIIN) of the NSN 1720-01-116-8657 is 01-116-8657
When the NSN 1720-01-116-8657 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Tue, Aug 4, 1981
Does the NSN 1720-01-116-8657 contain any precious metals?
Does not contain precious metal
Does the NSN 1720-01-116-8657 contain any hazardous material?
No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Who we are?

At our core, we specialize in sourcing and supplying high-quality NSN (National Stock Number) parts to industries that demand precision and reliability.

From aerospace and defense to manufacturing and logistics, we provide the essential components that keep critical systems running.

Contact
350 Tenth Ave
San Diego, CA, 92101
United States
© 2025 National Stock Number (NSN) Parts Store, Inc. All rights reserved.
Made in USA