PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66-22Cylinder and Piston

Mallin Co · NSN 5340-00-522-0727 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-522-0727 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-522-0727. Primary manufacturer part number: 66-22.
Features
  • Cylinder and Piston — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Mallin Co
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Cylinder and Piston, cataloged under National Stock Number 5340-00-522-0727, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mallin Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCylinder and Piston
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersMallin Co (CAGE 19171)
Successor NSN5340-01-063-6851 — Clamp,loop
Technical Specifications
ParameterValue
NSN5340-00-522-0727
Primary Part Number66-22
Item NameCylinder and Piston
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMallin Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-063-6851 (6622)
HAZMATNo
Verified Substitutes 10
5340-01-063-68516622 SUCCESSOR
Clamp,loop
Walker Mfg Co
5935-00-306-0715ST5M1303-1 INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
3010-00-344-993645-44 INTERCHANGEABLE
Shifter Fork,nonvehicular
Dresser Industries Inc Leroi Div
5961-00-763-9529 INTERCHANGEABLE
Semiconductor Device,diode
4730-00-787-019817719 INTERCHANGEABLE
Strainer Element,sediment
Napco International Llc Dba Napco International Inc
6675-00-799-29633040 INTERCHANGEABLE
Support,collimator,vertical Surv
Brunton International, Llc
7045-01-144-8470 INTERCHANGEABLE
Disk,flexible
4820-01-178-30426622 INTERCHANGEABLE
Housing,adjuster
Greno Industries, Inc. Dba Greno Industries Inc
3010-01-508-89526622 INTERCHANGEABLE
Safety Device,torque Overload
Naval Inventory Control Point Mechanicsburg
5120-01-692-71236622 INTERCHANGEABLE
Inserter,gear
S-Tec Corporation
Cross-Reference Index
Part NumberManufacturer
66-22 Mallin Co (USA)
Related Parts
SUCCESSOR 5340-01-063-6851 Clamp,loop · 6622
5935-00-306-0715INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
ST5M1303-1
3010-00-344-9936INTERCHANGEABLE
SHIFTER FORK,NONVEHICULAR
45-44
5961-00-763-9529INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4730-00-787-0198INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
17719
6675-00-799-2963INTERCHANGEABLE
SUPPORT,COLLIMATOR,VERTICAL SURV
3040
7045-01-144-8470INTERCHANGEABLE
DISK,FLEXIBLE
4820-01-178-3042INTERCHANGEABLE
HOUSING,ADJUSTER
6622
3010-01-508-8952INTERCHANGEABLE
SAFETY DEVICE,TORQUE OVERLOAD
6622
5120-01-692-7123INTERCHANGEABLE
INSERTER,GEAR
6622

Frequently Asked Questions

What is NSN 5340-00-522-0727?

NSN 5340-00-522-0727 is a Cylinder and Piston, manufactured by Mallin Co, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-522-0727?

NSN 5340-00-522-0727 has 1 cross-referenced part number: 66-22 (Mallin Co).

What NSN replaces 5340-00-522-0727?

There are 10 known substitutes for 5340-00-522-0727: 5340-01-063-6851, 5935-00-306-0715, 3010-00-344-9936 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com