PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61156Straightener,fin

Ritchie Engineering Co Inc · NSN 5120-01-698-7085 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-698-7085 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-698-7085. Primary manufacturer part number: 61156.
Features
  • Straightener,fin — FSC 5120
  • Fin Quantity Per Unit of Measure: 18 PER INCH AND 20 PER INCH
  • Material: PLASTIC OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Ritchie Engineering Co Inc
Applications
  • Applications requiring Plastic Overall construction
General Description

The Straightener,fin, cataloged under National Stock Number 5120-01-698-7085, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ritchie Engineering Co Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5120-01-698-7085
Primary Part Number61156
Item NameStraightener,fin
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerRitchie Engineering Co Inc
StatusACTIVE
Fin Quantity Per Unit of Measure18 PER INCH AND 20 PER INCH
MaterialPLASTIC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2805-00-395-792261156 INTERCHANGEABLE
Lockplate,crankshaf
Textron Lycoming Inc Williamsport Plant
2990-00-983-2800 INTERCHANGEABLE
Pipe,exhaust
4720-01-707-462661156-4 INTERCHANGEABLE
Hose Assembly,nonmetallic
Fisica Applied Technologies, Inc. Div Randtron Antenna Systems
4720-01-707-726361156-1 INTERCHANGEABLE
Hose Assembly,nonmetallic
Fisica Applied Technologies, Inc. Div Randtron Antenna Systems
4720-01-733-104661156-2 INTERCHANGEABLE
Hose Assembly,nonmetallic
Fisica Applied Technologies, Inc. Div Randtron Antenna Systems
Cross-Reference Index
Part NumberManufacturer
61156 PRIMARY Ritchie Engineering Co Inc (USA)
Related Parts
2805-00-395-7922INTERCHANGEABLE
LOCKPLATE,CRANKSHAF
61156
2990-00-983-2800INTERCHANGEABLE
PIPE,EXHAUST
4720-01-707-4626INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
61156-4
4720-01-707-7263INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
61156-1
4720-01-733-1046INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
61156-2

Frequently Asked Questions

What is NSN 5120-01-698-7085?

NSN 5120-01-698-7085 is a Straightener,fin, manufactured by Ritchie Engineering Co Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-698-7085?

NSN 5120-01-698-7085 has 1 cross-referenced part number: 61156 (Ritchie Engineering Co Inc).

What NSN replaces 5120-01-698-7085?

There are 5 known substitutes for 5120-01-698-7085: 2805-00-395-7922, 2990-00-983-2800, 4720-01-707-4626 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61156?

Key specifications for 61156: Fin Quantity Per Unit of Measure: 18 PER INCH AND 20 PER INCH; Special Features: COLOR CODED RED;FOR STRAIGHTENING CONDENSER AND EVAPORATOR FINS IN HVAC EQUIPMENT; End Item Identification: 5180-01-666-0751; Material: PLASTIC OVERALL. 4 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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