PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X-256-3Cock,drain

Kohler Co Engine Plant Div · NSN 4820-01-237-0113 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-237-0113 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-237-0113. Primary manufacturer part number: X-256-3.
Features
  • Cock,drain — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Kohler Co Engine Plant Div
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,drain, cataloged under National Stock Number 4820-01-237-0113, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kohler Co Engine Plant Div. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCock,drain
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersHancox Ltd (CAGE U0112); Winder Power Limited (CAGE U0215); Kohler Co Engine Plant Div (CAGE 52845); Countryman Group Ltd (CAGE U5012)
Technical Specifications
ParameterValue
NSN4820-01-237-0113
Primary Part NumberX-256-3
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKohler Co Engine Plant Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-923-6731 INTERCHANGEABLE
Ring,retaining
5811-01-247-6031CA-D16P00-264-TT006 INTERCHANGEABLE
Cable Assembly,dip
Circuit Assembly Corp
4820-01-620-8487X-256-3 INTERCHANGEABLE
Cock,drain
Yanmar America Corporation
Cross-Reference Index
Part NumberManufacturer
X-25-63 Hancox Ltd (GBR)
83-00233 Winder Power Limited (GBR)
X-256 Kohler Co Engine Plant Div (USA)
X-256-3 PRIMARY Kohler Co Engine Plant Div (USA)
83-00233 Countryman Group Ltd (GBR)
Related Parts
5325-00-923-6731INTERCHANGEABLE
RING,RETAINING
5811-01-247-6031INTERCHANGEABLE
CABLE ASSEMBLY,DIP
CA-D16P00-264-TT006
4820-01-620-8487INTERCHANGEABLE
COCK,DRAIN
X-256-3

Frequently Asked Questions

What is NSN 4820-01-237-0113?

NSN 4820-01-237-0113 is a Cock,drain, manufactured by Kohler Co Engine Plant Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-237-0113?

NSN 4820-01-237-0113 has 5 cross-referenced part numbers: X-25-63 (Hancox Ltd), 83-00233 (Winder Power Limited), X-256 (Kohler Co Engine Plant Div), X-256-3 (Kohler Co Engine Plant Div), 83-00233 (Countryman Group Ltd).

What NSN replaces 4820-01-237-0113?

There are 3 known substitutes for 4820-01-237-0113: 5325-00-923-6731, 5811-01-247-6031, 4820-01-620-8487. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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