PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66020Valve,linear,directional Control

Koehring Co · NSN 4820-01-171-8875 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-171-8875 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-8875. Primary manufacturer part number: 66020.
Features
  • Valve,linear,directional Control — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Koehring Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-171-8875, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Koehring Co. This item has 2 commercial cross-references from 2 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
NSN4820-01-171-8875
Primary Part Number66020
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKoehring Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-01-007-4814 INTERCHANGEABLE
Gasket
5995-01-015-2341600341 INTERCHANGEABLE
Cable Assembly,power,electrical
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
3456-01-275-9780 INTERCHANGEABLE
Roll Set,roller Tube Expander
7460-01-332-2942 INTERCHANGEABLE
File,visible Index,book Unit
3455-01-366-090066020 INTERCHANGEABLE
Cutter,milling,end
Niagara Cutter Inc
5970-01-460-739566020 INTERCHANGEABLE
Insulation Sleeving,electrical
Unison Industries Llc
5950-01-475-53899070T250D1/FSC-2 INTERCHANGEABLE
Transformer,power
Schneider Electric Usa, Inc.
5925-01-580-963066020 INTERCHANGEABLE
Circuit Breaker
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
66020 Koehring Co (USA)
66020 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
Related Parts
5330-01-007-4814INTERCHANGEABLE
GASKET
5995-01-015-2341INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
600341
3456-01-275-9780INTERCHANGEABLE
ROLL SET,ROLLER TUBE EXPANDER
7460-01-332-2942INTERCHANGEABLE
FILE,VISIBLE INDEX,BOOK UNIT
3455-01-366-0900INTERCHANGEABLE
CUTTER,MILLING,END
66020
5970-01-460-7395INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
66020
5950-01-475-5389INTERCHANGEABLE
TRANSFORMER,POWER
9070T250D1/FSC-2
5925-01-580-9630INTERCHANGEABLE
CIRCUIT BREAKER
66020

Frequently Asked Questions

What is NSN 4820-01-171-8875?

NSN 4820-01-171-8875 is a Valve,linear,directional Control, manufactured by Koehring Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-171-8875?

NSN 4820-01-171-8875 has 2 cross-referenced part numbers: 66020 (Koehring Co), 66020 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co).

What NSN replaces 4820-01-171-8875?

There are 8 known substitutes for 4820-01-171-8875: 5330-01-007-4814, 5995-01-015-2341, 3456-01-275-9780 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66020?

Key specifications for 66020: Special Features: STEEL. 1 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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