PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DC-161Ring,piston

Wisconsin Motors, Llc · NSN 2805-00-376-0420 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-376-0420 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-376-0420. Primary manufacturer part number: DC-161.
Features
  • Ring,piston — FSC 2805
  • FSC Application Data: GASOLINE ENGINE
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • Surface Treatment: TIN OVERALL
  • Ring Style: CONCENTRIC
  • Material: IRON OVERALL
  • Radial Wall Thickness: 0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
  • Standard Bore Diameter: 2.875 INCHES IN
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-376-0420, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-376-0420
Primary Part NumberDC-161
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusACTIVE
FSC Application DataGASOLINE ENGINE
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Surface TreatmentTIN OVERALL
Ring StyleCONCENTRIC
MaterialIRON OVERALL
Radial Wall Thickness0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
Standard Bore Diameter2.875 INCHES IN
Joint StyleVERTICAL JOINT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4510-00-011-17104214 INTERCHANGEABLE
Drain,roof
Josam Co
5120-00-293-2928 INTERCHANGEABLE
Puller,mechanical
3110-00-333-70744214 INTERCHANGEABLE
Bearing
Triumph Engine Control Systems Llc
5950-00-449-171960902-1 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc.
4720-00-460-3915100R1 TYAT SZ4 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
2920-00-588-40811932280 INTERCHANGEABLE
Drive,cranking Moto
Borgwarner Pds (anderson), L.l.c.
5330-01-018-5424 INTERCHANGEABLE
Gasket
5331-01-128-40234214 INTERCHANGEABLE
O-Ring
Norman Filter Company, L.l.c. Dba Norman Filter Co Llc
5950-01-130-8902 INTERCHANGEABLE
Coil,radio Frequency
5340-01-265-0179421-4 INTERCHANGEABLE
Caster,swivel
Fki Industries Inc Dba Faultless Caster Division
Cross-Reference Index
Part NumberManufacturer
4214 L & L Boiler Maintenance Inc (USA)
609021 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
609021 Aqua-Chem Inc Cleaver-Brooks Div (USA)
DC-161 PRIMARY Wisconsin Motors, Llc (USA)
4214 D & J Parts Inc (USA)
Related Parts
4510-00-011-1710INTERCHANGEABLE
DRAIN,ROOF
4214
5120-00-293-2928INTERCHANGEABLE
PULLER,MECHANICAL
3110-00-333-7074INTERCHANGEABLE
BEARING
4214
5950-00-449-1719INTERCHANGEABLE
TRANSFORMER,POWER
60902-1
4720-00-460-3915INTERCHANGEABLE
HOSE,NONMETALLIC
100R1 TYAT SZ4
2920-00-588-4081INTERCHANGEABLE
DRIVE,CRANKING MOTO
1932280
5330-01-018-5424INTERCHANGEABLE
GASKET
5331-01-128-4023INTERCHANGEABLE
O-RING
4214
5950-01-130-8902INTERCHANGEABLE
COIL,RADIO FREQUENCY
5340-01-265-0179INTERCHANGEABLE
CASTER,SWIVEL
421-4
3445-01-319-1551INTERCHANGEABLE
PUNCHING AND SHEARING MACHINE,ME
42-14
5915-01-367-4283INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE

Frequently Asked Questions

What is NSN 2805-00-376-0420?

NSN 2805-00-376-0420 is a Ring,piston, manufactured by Wisconsin Motors, Llc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-376-0420?

NSN 2805-00-376-0420 has 5 cross-referenced part numbers: 4214 (L & L Boiler Maintenance Inc), 609021 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 609021 (Aqua-Chem Inc Cleaver-Brooks Div), DC-161 (Wisconsin Motors, Llc), 4214 (D & J Parts Inc).

What NSN replaces 2805-00-376-0420?

There are 12 known substitutes for 2805-00-376-0420: 4510-00-011-1710, 5120-00-293-2928, 3110-00-333-7074 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DC-161?

Key specifications for DC-161: FSC Application Data: GASOLINE ENGINE; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Surface Treatment: TIN OVERALL; Ring Style: CONCENTRIC. 9 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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