PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20903Head,linear Actuating Cylinder

Moog Inc. Dba Ampac-Isp Corp · NSN 3040-01-188-8605 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-188-8605 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-188-8605. Primary manufacturer part number: 20903.
Features
  • Head,linear Actuating Cylinder — FSC 3040
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Head,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-188-8605, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-188-8605
Primary Part Number20903
Item NameHead,linear Actuating Cylinder
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-203-4401 INTERCHANGEABLE
Transformer,radio Frequency
7510-00-224-6734 INTERCHANGEABLE
Ink,marking Stencil
5975-00-904-62245423 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
3040-01-188-813320906 INTERCHANGEABLE
Head,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
3020-01-189-328020905 INTERCHANGEABLE
Sleeve,gear Rack
Moog Inc. Dba Ampac-Isp Corp
3020-01-189-335220904 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
4820-01-277-7602209-03 INTERCHANGEABLE
Piston,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5365-01-327-554820903 INTERCHANGEABLE
Spacer,sleeve
Ge Aviation Systems, Llc
7690-01-472-589320903 INTERCHANGEABLE
Label
Media Recovery Inc
Cross-Reference Index
Part NumberManufacturer
895-20885 Moog Inc. Dba Ampac-Isp Corp (USA)
20903 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
895-20885 ITEM 22 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5950-00-203-4401INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
7510-00-224-6734INTERCHANGEABLE
INK,MARKING STENCIL
5975-00-904-6224INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5423
3040-01-188-8133INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
20906
3020-01-189-3280INTERCHANGEABLE
SLEEVE,GEAR RACK
20905
3020-01-189-3352INTERCHANGEABLE
GEAR RACK
20904
4820-01-277-7602INTERCHANGEABLE
PISTON,VALVE
209-03
5365-01-327-5548INTERCHANGEABLE
SPACER,SLEEVE
20903
7690-01-472-5893INTERCHANGEABLE
LABEL
20903

Frequently Asked Questions

What is NSN 3040-01-188-8605?

NSN 3040-01-188-8605 is a Head,linear Actuating Cylinder, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-188-8605?

NSN 3040-01-188-8605 has 3 cross-referenced part numbers: 895-20885 (Moog Inc. Dba Ampac-Isp Corp), 20903 (Moog Inc. Dba Ampac-Isp Corp), 895-20885 ITEM 22 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 3040-01-188-8605?

There are 9 known substitutes for 3040-01-188-8605: 5950-00-203-4401, 7510-00-224-6734, 5975-00-904-6224 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20903?

Key specifications for 20903: Special Features: PORT CONNECTION 1.87-12 IN.UN 2A THD A; Material: STEEL CORROSION RESISTING; End Item Identification: ROTARY ACTUATOR,FLO-TORK INC,MODEL NO. 8F5C. 3 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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