PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25977Head,linear Actuating Cylinder

Moog Inc. Dba Ampac-Isp Corp · NSN 3040-01-189-0399 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-189-0399 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-189-0399. Primary manufacturer part number: 25977.
Features
  • Head,linear Actuating Cylinder — FSC 3040
  • Material: ALUMINUM ALLOY
  • 4 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Head,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-189-0399, 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 4 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN3040-01-189-0399
Primary Part Number25977
Item NameHead,linear Actuating Cylinder
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-155-8879136539-16 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3010-00-159-8545 INTERCHANGEABLE
Actuator,rotary,hydraulic
4710-01-188-192423487 INTERCHANGEABLE
Tube,metallic
Moog Inc. Dba Ampac-Isp Corp
3020-01-188-2021CB27448-001 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
3010-01-189-039725980 INTERCHANGEABLE
Cylinder Sleeve,rotary Actuator
Moog Inc. Dba Ampac-Isp Corp
3040-01-189-039825976-1 INTERCHANGEABLE
Head,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
3040-01-189-040025976-2 INTERCHANGEABLE
Head,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
3020-01-189-336125975 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
1560-01-714-57302-5977-5 INTERCHANGEABLE
Web,structural Component,aircraf
The Boeing Company Div Defense
1560-01-715-81652-5977-6 INTERCHANGEABLE
Web,structural Component,aircraf
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
6650-25865 Moog Inc. Dba Ampac-Isp Corp (USA)
6650-25865 ITEM 6 Moog Inc. Dba Ampac-Isp Corp (USA)
25977 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
6650-25865 PIECE 6 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
3110-00-155-8879INTERCHANGEABLE
BEARING,BALL,ANNULAR
136539-16
3010-00-159-8545INTERCHANGEABLE
ACTUATOR,ROTARY,HYDRAULIC
4710-01-188-1924INTERCHANGEABLE
TUBE,METALLIC
23487
3020-01-188-2021INTERCHANGEABLE
GEAR RACK
CB27448-001
3010-01-189-0397INTERCHANGEABLE
CYLINDER SLEEVE,ROTARY ACTUATOR
25980
3040-01-189-0398INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
25976-1
3040-01-189-0400INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
25976-2
3020-01-189-3361INTERCHANGEABLE
GEAR,SPUR
25975
1560-01-714-5730INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5977-5
1560-01-715-8165INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5977-6

Frequently Asked Questions

What is NSN 3040-01-189-0399?

NSN 3040-01-189-0399 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 3040-01-189-0399?

NSN 3040-01-189-0399 has 4 cross-referenced part numbers: 6650-25865 (Moog Inc. Dba Ampac-Isp Corp), 6650-25865 ITEM 6 (Moog Inc. Dba Ampac-Isp Corp), 25977 (Moog Inc. Dba Ampac-Isp Corp), 6650-25865 PIECE 6 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 3040-01-189-0399?

There are 10 known substitutes for 3040-01-189-0399: 3110-00-155-8879, 3010-00-159-8545, 4710-01-188-1924 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25977?

Key specifications for 25977: Material: ALUMINUM ALLOY; Special Features: ANODIZED,MIL-A-8625,TY 1. 2 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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