PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

371.ODStem,fluid Valve

Name: 371.OD
SKU: 4820-01-231-2921

Magnatrol Valve Corp Div Clark-Cooper · NSN 4820-01-231-2921 · FSC 4820 · No Item Name Available

Verified by PartsTable

NSN 4820-01-231-2921 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-231-2921. Primary manufacturer part number: 371.OD.

4820-01-231-2921 — No Item Name Available illustration

Features

Stem,fluid Valve — FSC 4820
Material: STEEL
5 verified cross-references
Primary manufacturer: Magnatrol Valve Corp Div Clark-Cooper

Applications

Flow control in piping systems
Pressure regulation
Steam and fluid isolation
Applications requiring Steel construction

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-231-2921, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Magnatrol Valve Corp Div Clark-Cooper. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references 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

Parameter	Value
NSN	4820-01-231-2921
Primary Part Number	371.OD
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — No Item Name Available
Manufacturer	Magnatrol Valve Corp Div Clark-Cooper
Status	ACTIVE
Material	STEEL

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 5

4820-01-231-9504371-59A INTERCHANGEABLE

Seat Wrench,valve

Magnatrol Valve Corp Div Clark-Cooper

4810-01-232-8230 INTERCHANGEABLE

Retainer,disk,valve

5340-01-232-8439 INTERCHANGEABLE

Retainer,helical Compression Spr

4820-01-233-3522 INTERCHANGEABLE

Disk,valve

4820-01-332-6089 INTERCHANGEABLE

Valve Assembly,manifold

Cross-Reference Index

Part Number	Manufacturer
371.OD	Magnatrol Valve Corp Div Clark-Cooper (USA)
371-26A	Magnatrol Valve Corp Div Clark-Cooper (USA)
371.26	Magnatrol Valve Corp Div Clark-Cooper (USA)
371.OD PC49	Magnatrol Valve Corp Div Clark-Cooper (USA)
371.26A	Magnatrol Valve Corp Div Clark-Cooper (USA)

Related Parts

4820-01-231-9504INTERCHANGEABLE

SEAT WRENCH,VALVE

371-59A

4810-01-232-8230INTERCHANGEABLE

RETAINER,DISK,VALVE

5340-01-232-8439INTERCHANGEABLE

RETAINER,HELICAL COMPRESSION SPR

4820-01-233-3522INTERCHANGEABLE

DISK,VALVE

4820-01-332-6089INTERCHANGEABLE

VALVE ASSEMBLY,MANIFOLD

Frequently Asked Questions

What is NSN 4820-01-231-2921?

NSN 4820-01-231-2921 is a Stem,fluid Valve, manufactured by Magnatrol Valve Corp Div Clark-Cooper, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-231-2921?

NSN 4820-01-231-2921 has 5 cross-referenced part numbers: 371.OD (Magnatrol Valve Corp Div Clark-Cooper), 371-26A (Magnatrol Valve Corp Div Clark-Cooper), 371.26 (Magnatrol Valve Corp Div Clark-Cooper), 371.OD PC49 (Magnatrol Valve Corp Div Clark-Cooper), 371.26A (Magnatrol Valve Corp Div Clark-Cooper).

What NSN replaces 4820-01-231-2921?

There are 5 known substitutes for 4820-01-231-2921: 4820-01-231-9504, 4810-01-232-8230, 5340-01-232-8439 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 371.OD?

Key specifications for 371.OD: Material: 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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