PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-1943Stem,fluid Valve

Hunt Valve Company, Inc. · NSN 4820-01-122-7897 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-122-7897 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-122-7897. Primary manufacturer part number: S-1943.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: NICKEL ALLOY
  • Material Document and Classification: ASTM B-61 ASSN STD 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 Nickel Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-122-7897, 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 2 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-122-7897
Primary Part NumberS-1943
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
MaterialNICKEL ALLOY
Material Document and ClassificationASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-858-3651S194-3 INTERCHANGEABLE
Rubber Strip
Psi-Peripheral Support
4820-01-084-3584B1947MV INTERCHANGEABLE
Seat,valve
Hunt Valve Company, Inc.
4820-01-084-7113B1948MV INTERCHANGEABLE
Seat,valve
Hunt Valve Company, Inc.
4820-01-122-3758S-1941 INTERCHANGEABLE
Stem,fluid Valve
Hunt Valve Company, Inc.
4820-01-122-4397S-1944 INTERCHANGEABLE
Stem,fluid Valve
Hunt Valve Company, Inc.
5930-01-146-0393S194-3 INTERCHANGEABLE
Switch,push
Cae Usa Inc.
7920-01-536-9234631 INTERCHANGEABLE
Brush,wire,tube
Solo Horton Brushes Inc
Cross-Reference Index
Part NumberManufacturer
M-1861A Morland Valve Co Inc Sub of Smith Valve Corp (USA)
M-1861A SHEET 4 PIECE 7 Morland Valve Co Inc Sub of Smith Valve Corp (USA)
S-1943 Morland Valve Co Inc Sub of Smith Valve Corp (USA)
M-1861A SHEET 4 PIECE 7 Hunt Valve Company, Inc. (USA)
S-1943 PRIMARY Hunt Valve Company, Inc. (USA)
Related Parts
5330-00-858-3651INTERCHANGEABLE
RUBBER STRIP
S194-3
4820-01-084-3584INTERCHANGEABLE
SEAT,VALVE
B1947MV
4820-01-084-7113INTERCHANGEABLE
SEAT,VALVE
B1948MV
4820-01-122-3758INTERCHANGEABLE
STEM,FLUID VALVE
S-1941
4820-01-122-4397INTERCHANGEABLE
STEM,FLUID VALVE
S-1944
5930-01-146-0393INTERCHANGEABLE
SWITCH,PUSH
S194-3
7920-01-536-9234INTERCHANGEABLE
BRUSH,WIRE,TUBE
631

Frequently Asked Questions

What is NSN 4820-01-122-7897?

NSN 4820-01-122-7897 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 4820-01-122-7897?

NSN 4820-01-122-7897 has 5 cross-referenced part numbers: M-1861A (Morland Valve Co Inc Sub of Smith Valve Corp), M-1861A SHEET 4 PIECE 7 (Morland Valve Co Inc Sub of Smith Valve Corp), S-1943 (Morland Valve Co Inc Sub of Smith Valve Corp), M-1861A SHEET 4 PIECE 7 (Hunt Valve Company, Inc.), S-1943 (Hunt Valve Company, Inc.).

What NSN replaces 4820-01-122-7897?

There are 7 known substitutes for 4820-01-122-7897: 5330-00-858-3651, 4820-01-084-3584, 4820-01-084-7113 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-1943?

Key specifications for S-1943: Material: NICKEL ALLOY; Material Document and Classification: ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE. 2 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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