PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NY521-113Piston,linear Actuating Cylinder

Gas Equipment Engineering Corporation, the Dba Geeco · NSN 3040-00-377-8847 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-377-8847 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-377-8847. Primary manufacturer part number: NY521-113.
Features
  • Piston,linear Actuating Cylinder — FSC 3040
  • Material: COPPER ALLOY
  • 5 verified cross-references
  • Primary manufacturer: Gas Equipment Engineering Corporation, the Dba Geeco
Applications
  • Applications requiring Copper Alloy construction
General Description

The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-00-377-8847, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Gas Equipment Engineering Corporation, the Dba Geeco. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-377-8847
Primary Part NumberNY521-113
Item NamePiston,linear Actuating Cylinder
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerGas Equipment Engineering Corporation, the Dba Geeco
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6145-00-127-9759CIT 4093 INTERCHANGEABLE
Wire,electrical
Cableco Inc
5999-00-247-975423-3286 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5310-01-208-800032161 INTERCHANGEABLE
Washer,flat
Eldec Aerospace Corp
6140-01-341-8000 INTERCHANGEABLE
Battery,storage
6210-01-542-690230110 PILOT TPLR INTERCHANGEABLE
Lens,light
Kampi Components Co Inc
4240-01-621-863932161 INTERCHANGEABLE
Faceshield,industrial
Surewerx Usa Inc
5999-01-631-900932161 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Vicor Corp Dba Vicorpowercom
Cross-Reference Index
Part NumberManufacturer
G34IF5-1 Gas Equipment Engineering Corporation, the Dba Geeco (USA)
NY521-113 PRIMARY Gas Equipment Engineering Corporation, the Dba Geeco (USA)
G341F5-1 Gas Equipment Engineering Corporation, the Dba Geeco (USA)
549G34IF5-1 Chief of Engineers Dept of Army (USA)
3-21-6-1 Gas Equipment Engineering Corporation, the Dba Geeco (USA)
Related Parts
6145-00-127-9759INTERCHANGEABLE
WIRE,ELECTRICAL
CIT 4093
5999-00-247-9754INTERCHANGEABLE
CONTACT,ELECTRICAL
23-3286
5310-01-208-8000INTERCHANGEABLE
WASHER,FLAT
32161
6140-01-341-8000INTERCHANGEABLE
BATTERY,STORAGE
6210-01-542-6902INTERCHANGEABLE
LENS,LIGHT
30110 PILOT TPLR
4240-01-621-8639INTERCHANGEABLE
FACESHIELD,INDUSTRIAL
32161
5999-01-631-9009INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
32161

Frequently Asked Questions

What is NSN 3040-00-377-8847?

NSN 3040-00-377-8847 is a Piston,linear Actuating Cylinder, manufactured by Gas Equipment Engineering Corporation, the Dba Geeco, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-377-8847?

NSN 3040-00-377-8847 has 5 cross-referenced part numbers: G34IF5-1 (Gas Equipment Engineering Corporation, the Dba Geeco), NY521-113 (Gas Equipment Engineering Corporation, the Dba Geeco), G341F5-1 (Gas Equipment Engineering Corporation, the Dba Geeco), 549G34IF5-1 (Chief of Engineers Dept of Army), 3-21-6-1 (Gas Equipment Engineering Corporation, the Dba Geeco).

What NSN replaces 3040-00-377-8847?

There are 7 known substitutes for 3040-00-377-8847: 6145-00-127-9759, 5999-00-247-9754, 5310-01-208-8000 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NY521-113?

Key specifications for NY521-113: Material: COPPER ALLOY; Overall Length: 13.875 INCHES NOMINAL IN; Special Features: UNF THREADED HOLE 0.750IN. DIA, 16 THREADS, 1IN. DEEP TOP END; ROUND BOTTOM END IN. 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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