PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S28878Piston,linear Actuating Cylinder

Sss Clutch Co, Inc · NSN 3040-01-343-5687 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-343-5687 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-343-5687. Primary manufacturer part number: S28878.
Features
  • Piston,linear Actuating Cylinder — FSC 3040
  • 3 verified cross-references
  • Primary manufacturer: Sss Clutch Co, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-343-5687, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Sss Clutch Co, Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,linear Actuating Cylinder
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersSss Clutch Co, Inc (CAGE 5S759)
Technical Specifications
ParameterValue
NSN3040-01-343-5687
Primary Part NumberS28878
Item NamePiston,linear Actuating Cylinder
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerSss Clutch Co, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3020-01-332-021010347805 INTERCHANGEABLE
Chain,roller
Champion Road Machinery Inc Pro-Pav Div
4720-01-343-0863S29676 INTERCHANGEABLE
Hose Assembly,nonmetallic
Sss Clutch Co, Inc
4720-01-343-184329722 INTERCHANGEABLE
Hose Assembly,nonmetallic
Sss Clutch Co, Inc
4720-01-343-1844SL15019 ITEM 132 INTERCHANGEABLE
Hose Assembly,nonmetallic
Sss Clutch Co, Inc
4720-01-343-184529852 INTERCHANGEABLE
Hose Assembly,nonmetallic
Sss Clutch Co, Inc
4730-01-343-3450S28921 INTERCHANGEABLE
Restrictor,fluid Flow
Sss Clutch Co, Inc
3040-01-343-8675SL29460 INTERCHANGEABLE
Bracket,eye,rotating Shaft
Sss Clutch Co, Inc
Cross-Reference Index
Part NumberManufacturer
S28878 PRIMARY Sss Clutch Co, Inc (USA)
SL15019 ITEM 14 Sss Clutch Co, Inc (USA)
SL15019 Sss Clutch Co, Inc (USA)
Related Parts
3020-01-332-0210INTERCHANGEABLE
CHAIN,ROLLER
10347805
4720-01-343-0863INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
S29676
4720-01-343-1843INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
29722
4720-01-343-1844INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
SL15019 ITEM 132
4720-01-343-1845INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
29852
4730-01-343-3450INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
S28921
3040-01-343-8675INTERCHANGEABLE
BRACKET,EYE,ROTATING SHAFT
SL29460

Frequently Asked Questions

What is NSN 3040-01-343-5687?

NSN 3040-01-343-5687 is a Piston,linear Actuating Cylinder, manufactured by Sss Clutch Co, Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-343-5687?

NSN 3040-01-343-5687 has 3 cross-referenced part numbers: S28878 (Sss Clutch Co, Inc), SL15019 ITEM 14 (Sss Clutch Co, Inc), SL15019 (Sss Clutch Co, Inc).

What NSN replaces 3040-01-343-5687?

There are 7 known substitutes for 3040-01-343-5687: 3020-01-332-0210, 4720-01-343-0863, 4720-01-343-1843 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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