PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18526Pin,piston

Davey Compressor Co Div of Keco Industries Inc · NSN 4310-00-115-4065 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-115-4065 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-115-4065. Primary manufacturer part number: 18526.
Features
  • Pin,piston — FSC 4310
  • Outside Diameter: 1.12500 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Bore Style: STRAIGHT-THRU BORE
  • Material: STEEL
  • Body Length: 4.3750 INCHES NOMINAL IN
  • Bore Diameter: 0.5938 INCHES NOMINAL IN
  • Body Style: PLAIN ENDS
Applications
  • Applications requiring Steel construction
General Description

The Pin,piston, cataloged under National Stock Number 4310-00-115-4065, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Davey Compressor Co Div of Keco Industries Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-115-4065
Primary Part Number18526
Item NamePin,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerDavey Compressor Co Div of Keco Industries Inc
StatusACTIVE
Outside Diameter1.12500 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Bore StyleSTRAIGHT-THRU BORE
MaterialSTEEL
Body Length4.3750 INCHES NOMINAL IN
Bore Diameter0.5938 INCHES NOMINAL IN
Body StylePLAIN ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5995-00-237-003118526 INTERCHANGEABLE
Lead,electrical
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
1040-00-938-896054A50B64 INTERCHANGEABLE
Terminal Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6145-00-958-6144 INTERCHANGEABLE
Wire,electrical
5950-01-122-7264986256-1B INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5962-01-123-4777932883-314 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
9340-01-258-6306185-26 INTERCHANGEABLE
Tubing,glass
Ldi Industries, Inc. Dba Ldi Industries Inc
5930-01-419-883318526 INTERCHANGEABLE
Switch,push
Basler Electric Co
1005-01-701-018118526 INTERCHANGEABLE
Barrel Conversion Kit,rifle
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
18526 Davey Compressor Co Div of Keco Industries Inc (USA)
18526 Hdt Expeditionary Systems Inc (USA)
18526 Drs Environmental Systems Inc (USA)
Related Parts
5995-00-237-0031INTERCHANGEABLE
LEAD,ELECTRICAL
18526
1040-00-938-8960INTERCHANGEABLE
TERMINAL ASSY
54A50B64
6145-00-958-6144INTERCHANGEABLE
WIRE,ELECTRICAL
5950-01-122-7264INTERCHANGEABLE
REACTOR
986256-1B
5962-01-123-4777INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932883-314
9340-01-258-6306INTERCHANGEABLE
TUBING,GLASS
185-26
5930-01-419-8833INTERCHANGEABLE
SWITCH,PUSH
18526
1005-01-701-0181INTERCHANGEABLE
BARREL CONVERSION KIT,RIFLE
18526

Frequently Asked Questions

What is NSN 4310-00-115-4065?

NSN 4310-00-115-4065 is a Pin,piston, manufactured by Davey Compressor Co Div of Keco Industries Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-115-4065?

NSN 4310-00-115-4065 has 3 cross-referenced part numbers: 18526 (Davey Compressor Co Div of Keco Industries Inc), 18526 (Hdt Expeditionary Systems Inc), 18526 (Drs Environmental Systems Inc).

What NSN replaces 4310-00-115-4065?

There are 8 known substitutes for 4310-00-115-4065: 5995-00-237-0031, 1040-00-938-8960, 6145-00-958-6144 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18526?

Key specifications for 18526: Outside Diameter: 1.12500 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED; Bore Style: STRAIGHT-THRU BORE; Material: STEEL. 7 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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