PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42118Piston,linear Actuating Cylinder

Moog Inc. Dba Ampac-Isp Corp · NSN 3040-01-515-5520 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-515-5520 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-515-5520. Primary manufacturer part number: 42118.
Features
  • Piston,linear Actuating Cylinder — FSC 3040
  • Material: COPPER ALLOY
  • 3 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Applications requiring Copper Alloy construction
General Description

The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-515-5520, 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
NSN3040-01-515-5520
Primary Part Number42118
Item NamePiston,linear Actuating Cylinder
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5360-00-597-4578 INTERCHANGEABLE
Spring,helical,compression
6640-01-256-703342118 INTERCHANGEABLE
Filter,paper
Mirion Technologies (canberra), Inc.
3040-01-514-841142112 INTERCHANGEABLE
Shaft,shouldered
Moog Inc. Dba Ampac-Isp Corp
3020-01-514-841242113 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
3120-01-515-426942119 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
3120-01-515-427042120 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
3120-01-515-648742121 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
4730-01-515-877942122 INTERCHANGEABLE
Plug,port
Moog Inc. Dba Ampac-Isp Corp
4810-01-545-043512M23-42110 INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,rot
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
12M23-42110 ITEM 8 Moog Inc. Dba Ampac-Isp Corp (USA)
12M23-42110 Moog Inc. Dba Ampac-Isp Corp (USA)
42118 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5360-00-597-4578INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6640-01-256-7033INTERCHANGEABLE
FILTER,PAPER
42118
3040-01-514-8411INTERCHANGEABLE
SHAFT,SHOULDERED
42112
3020-01-514-8412INTERCHANGEABLE
GEAR RACK
42113
3120-01-515-4269INTERCHANGEABLE
BEARING,SLEEVE
42119
3120-01-515-4270INTERCHANGEABLE
BEARING,SLEEVE
42120
3120-01-515-6487INTERCHANGEABLE
BEARING,SLEEVE
42121
4730-01-515-8779INTERCHANGEABLE
PLUG,PORT
42122
4810-01-545-0435INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,ROT
12M23-42110

Frequently Asked Questions

What is NSN 3040-01-515-5520?

NSN 3040-01-515-5520 is a Piston,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 3040-01-515-5520?

NSN 3040-01-515-5520 has 3 cross-referenced part numbers: 12M23-42110 ITEM 8 (Moog Inc. Dba Ampac-Isp Corp), 12M23-42110 (Moog Inc. Dba Ampac-Isp Corp), 42118 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 3040-01-515-5520?

There are 9 known substitutes for 3040-01-515-5520: 5360-00-597-4578, 6640-01-256-7033, 3040-01-514-8411 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42118?

Key specifications for 42118: Part Name Assigned by Controlling Agency: PISTON; Material: COPPER ALLOY; End Item Identification: SEAWOLF CLASS SSN; Special Features: NHA: MODEL 12M23 HYDRAULIC ACTUATOR. 4 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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