PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

283-PPiston,internal Combustion Engin

Hastings Manufacturing Co Div Hastings Manufacturing Company · NSN 2805-00-220-1935 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-220-1935 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-220-1935. Primary manufacturer part number: 283-P.
Features
  • Piston,internal Combustion Engin — FSC 2805
  • Ring Groove Diameter: 3.438 INCHES MINIMUM AND 3.448 INCHES MAXIMUM SECOND RING IN
  • Surface Finish: FINISHED
  • Pin Hole Bushing: NOT INCLUDED
  • Retaining Ring Groove: INCLUDED
  • Ring Groove Width: 0.0780 INCHES NOMINAL FIRST RING IN
  • Pin: INCLUDED
  • Surface Treatment: TIN
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-220-1935, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Hastings Manufacturing Co Div Hastings Manufacturing Company. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-220-1935
Primary Part Number283-P
Item NamePiston,internal Combustion Engin
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerHastings Manufacturing Co Div Hastings Manufacturing Company
StatusACTIVE
Ring Groove Diameter3.438 INCHES MINIMUM AND 3.448 INCHES MAXIMUM SECOND RING IN
Surface FinishFINISHED
Pin Hole BushingNOT INCLUDED
Retaining Ring GrooveINCLUDED
Ring Groove Width0.0780 INCHES NOMINAL FIRST RING IN
PinINCLUDED
Surface TreatmentTIN
Oil GrooveINCLUDED
Diameter3.875 INCHES NOMINAL IN
Skirt TypeSOLID
Skirt Bottom Cutaway FeatureINCLUDED
Ring Groove Width0.0940 INCHES NOMINAL SECOND RING IN
Ring Groove Diameter3.450 INCHES MINIMUM AND 3.460 INCHES MAXIMUM THIRD RING IN
Pinhole Diameter0.9750 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
Ring Groove Quantity3
Cut Depth0.970 INCHES NOMINAL IN
Carbon GrooveNOT INCLUDED
Ring Groove Diameter3.438 INCHES MINIMUM AND 3.448 INCHES MAXIMUM FIRST RING IN
Head StyleCONCAVE
Pin Type for Which DesignedLOCKING
Ring Groove Width0.1880 INCHES NOMINAL THIRD RING IN
Distance Between Pin Bosses1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
RingNOT INCLUDED
Distance From Pin Hole Center to Extreme Top1.875 INCHES NOMINAL IN
Finished Size DesignationSTANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4330-00-001-3514313117C92 INTERCHANGEABLE
Filter Element,fluid
Navistar Intl Corp Truck Br Ohio Plant
4320-00-420-5421255047-6 INTERCHANGEABLE
Housing,liquid Pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5365-00-963-9132P1-18 INTERCHANGEABLE
Spacer,ring
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5310-01-416-5495P118 INTERCHANGEABLE
Nut,plain,hexagon
Alfred Conhagen, Inc.
4820-01-416-5957J41560 INTERCHANGEABLE
Seat,valve
Pulsafeeder Inc
Cross-Reference Index
Part NumberManufacturer
283-P PRIMARY Hastings Manufacturing Co Div Hastings Manufacturing Company (USA)
C4TZ6108CP Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
C4TZ6108CP Ford Motor Company (USA)
P118 PRIMARY Safeguard Engine Parts Inc Sub of Safeguard Industries Inc (USA)
Related Parts
4330-00-001-3514INTERCHANGEABLE
FILTER ELEMENT,FLUID
313117C92
4320-00-420-5421INTERCHANGEABLE
HOUSING,LIQUID PUMP
255047-6
5365-00-963-9132INTERCHANGEABLE
SPACER,RING
P1-18
5310-01-416-5495INTERCHANGEABLE
NUT,PLAIN,HEXAGON
P118
4820-01-416-5957INTERCHANGEABLE
SEAT,VALVE
J41560

Frequently Asked Questions

What is NSN 2805-00-220-1935?

NSN 2805-00-220-1935 is a Piston,internal Combustion Engin, manufactured by Hastings Manufacturing Co Div Hastings Manufacturing Company, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-220-1935?

NSN 2805-00-220-1935 has 4 cross-referenced part numbers: 283-P (Hastings Manufacturing Co Div Hastings Manufacturing Company), C4TZ6108CP (Ford Motor Co Ford Parts and Service Div Government Part Sales), C4TZ6108CP (Ford Motor Company), P118 (Safeguard Engine Parts Inc Sub of Safeguard Industries Inc).

What NSN replaces 2805-00-220-1935?

There are 5 known substitutes for 2805-00-220-1935: 4330-00-001-3514, 4320-00-420-5421, 5365-00-963-9132 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 283-P?

Key specifications for 283-P: Ring Groove Diameter: 3.438 INCHES MINIMUM AND 3.448 INCHES MAXIMUM SECOND RING IN; Surface Finish: FINISHED; Pin Hole Bushing: NOT INCLUDED; Retaining Ring Groove: INCLUDED. 27 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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