PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-1941Stem,fluid Valve

Hunt Valve Company, Inc. · NSN 4820-01-122-3758 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-122-3758 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-122-3758. Primary manufacturer part number: S-1941.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: ALUMINUM ALLOY
  • Valve Type for Which Designed: BALL
  • Valve Size for Which Designed: 4.000 INCHES IN
  • Valve Model Number for Which Designed: M-1861A A
  • Material Document and Classification: MIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE
  • 5 verified cross-references
  • Primary manufacturer: Hunt Valve Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-122-3758, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-122-3758
Primary Part NumberS-1941
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
MaterialALUMINUM ALLOY
Valve Type for Which DesignedBALL
Valve Size for Which Designed4.000 INCHES IN
Valve Model Number for Which DesignedM-1861A A
Material Document and ClassificationMIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-084-3584B1947MV INTERCHANGEABLE
Seat,valve
Hunt Valve Company, Inc.
4820-01-084-7113B1948MV INTERCHANGEABLE
Seat,valve
Hunt Valve Company, Inc.
4820-01-122-4397S-1944 INTERCHANGEABLE
Stem,fluid Valve
Hunt Valve Company, Inc.
4820-01-122-7897S-1943 INTERCHANGEABLE
Stem,fluid Valve
Hunt Valve Company, Inc.
Cross-Reference Index
Part NumberManufacturer
S-1941 PRIMARY Hunt Valve Company, Inc. (USA)
M-1861A Morland Valve Co Inc Sub of Smith Valve Corp (USA)
S-1941 Morland Valve Co Inc Sub of Smith Valve Corp (USA)
M-1861A SHEET 1 PIECE 7 Hunt Valve Company, Inc. (USA)
M-1861A SHEET 1 PIECE 7 Morland Valve Co Inc Sub of Smith Valve Corp (USA)
Related Parts
4820-01-084-3584INTERCHANGEABLE
SEAT,VALVE
B1947MV
4820-01-084-7113INTERCHANGEABLE
SEAT,VALVE
B1948MV
4820-01-122-4397INTERCHANGEABLE
STEM,FLUID VALVE
S-1944
4820-01-122-7897INTERCHANGEABLE
STEM,FLUID VALVE
S-1943

Frequently Asked Questions

What is NSN 4820-01-122-3758?

NSN 4820-01-122-3758 is a Stem,fluid Valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-122-3758?

NSN 4820-01-122-3758 has 5 cross-referenced part numbers: S-1941 (Hunt Valve Company, Inc.), M-1861A (Morland Valve Co Inc Sub of Smith Valve Corp), S-1941 (Morland Valve Co Inc Sub of Smith Valve Corp), M-1861A SHEET 1 PIECE 7 (Hunt Valve Company, Inc.), M-1861A SHEET 1 PIECE 7 (Morland Valve Co Inc Sub of Smith Valve Corp).

What NSN replaces 4820-01-122-3758?

There are 4 known substitutes for 4820-01-122-3758: 4820-01-084-3584, 4820-01-084-7113, 4820-01-122-4397 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-1941?

Key specifications for S-1941: End Item Identification: MORELAND VALVE CO 4.000 IN. THREE WAY,THREE PORT 150 LB BALL VALVE MODEL M-1861A A; Material: ALUMINUM ALLOY; Valve Type for Which Designed: BALL; Valve Size for Which Designed: 4.000 INCHES IN. 6 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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