PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7971Seat,valve

Huck International, Inc. Div Kingston Operations · NSN 4820-00-373-7439 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-373-7439 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-373-7439. Primary manufacturer part number: 7971.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Huck International, Inc. Div Kingston Operations
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-373-7439, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Huck International, Inc. Div Kingston Operations. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersHuck International, Inc. Div Kingston Operations (CAGE 72139)
Technical Specifications
ParameterValue
NSN4820-00-373-7439
Primary Part Number7971
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHuck International, Inc. Div Kingston Operations
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-061-7001SMD422748 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-301-5991 INTERCHANGEABLE
Bearing,roller,needle
1680-00-337-5348C7971 INTERCHANGEABLE
Unit Assy,telescope
Triumph Controls, Llc Dba Triumph Controls, Llc
5310-01-003-84727971 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Titan Distribution Inc Dba Titan Tire
6105-01-365-4260E9937 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
6680-01-438-2945797-1 INTERCHANGEABLE
Accelerometer,electrical,linear
Amphenol (maryland) Inc
5998-01-448-11557971 INTERCHANGEABLE
Circuit Card Assembly
Quarterwave Corp.
Cross-Reference Index
Part NumberManufacturer
7971 PRIMARY Huck International, Inc. Div Kingston Operations (USA)
Related Parts
5950-00-061-7001INTERCHANGEABLE
REACTOR
SMD422748
3110-00-301-5991INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
1680-00-337-5348INTERCHANGEABLE
UNIT ASSY,TELESCOPE
C7971
5310-01-003-8472INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
7971
6105-01-365-4260INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E9937
6680-01-438-2945INTERCHANGEABLE
ACCELEROMETER,ELECTRICAL,LINEAR
797-1
5998-01-448-1155INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
7971

Frequently Asked Questions

What is NSN 4820-00-373-7439?

NSN 4820-00-373-7439 is a Seat,valve, manufactured by Huck International, Inc. Div Kingston Operations, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-373-7439?

NSN 4820-00-373-7439 has 1 cross-referenced part number: 7971 (Huck International, Inc. Div Kingston Operations).

What NSN replaces 4820-00-373-7439?

There are 7 known substitutes for 4820-00-373-7439: 5950-00-061-7001, 3110-00-301-5991, 1680-00-337-5348 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com