PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12729Locknut,relief Valv

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-00-631-0546 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-631-0546 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-631-0546. Primary manufacturer part number: 12729.
Features
  • Locknut,relief Valv — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Locknut,relief Valv, cataloged under National Stock Number 4820-00-631-0546, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameLocknut,relief Valv
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersEaton Aerospace Llc Dba Eaton Aerospace Jackson (CAGE 99643)
Technical Specifications
ParameterValue
NSN4820-00-631-0546
Primary Part Number12729
Item NameLocknut,relief Valv
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-155-6723059094 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5950-00-626-4137A-9100-2796-1 INTERCHANGEABLE
Reactor
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5995-01-185-7372 INTERCHANGEABLE
Cable Assembly,special Purpose,e
3010-01-374-758412729 INTERCHANGEABLE
Carrier Assembly,planetary Gear
Tulsa Winch, Inc.
6240-01-485-73081272900 INTERCHANGEABLE
Cover,lamp
Labconco Corp
3040-01-564-063912729 INTERCHANGEABLE
Detent Plate
Carlisle & Finch Co
5340-01-579-5931 INTERCHANGEABLE
Bracket,mounting
5935-01-594-348512-729 INTERCHANGEABLE
Shell,electrical Connector
Custom Control Sensors, Llc
5305-01-644-778612729 INTERCHANGEABLE
Setscrew
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Cross-Reference Index
Part NumberManufacturer
12729 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
3110-00-155-6723INTERCHANGEABLE
BEARING,BALL,ANNULAR
059094
5950-00-626-4137INTERCHANGEABLE
REACTOR
A-9100-2796-1
5995-01-185-7372INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
3010-01-374-7584INTERCHANGEABLE
CARRIER ASSEMBLY,PLANETARY GEAR
12729
6240-01-485-7308INTERCHANGEABLE
COVER,LAMP
1272900
3040-01-564-0639INTERCHANGEABLE
DETENT PLATE
12729
5340-01-579-5931INTERCHANGEABLE
BRACKET,MOUNTING
5935-01-594-3485INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
12-729
5305-01-644-7786INTERCHANGEABLE
SETSCREW
12729

Frequently Asked Questions

What is NSN 4820-00-631-0546?

NSN 4820-00-631-0546 is a Locknut,relief Valv, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-631-0546?

NSN 4820-00-631-0546 has 1 cross-referenced part number: 12729 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-00-631-0546?

There are 9 known substitutes for 4820-00-631-0546: 3110-00-155-6723, 5950-00-626-4137, 5995-01-185-7372 and 6 more. Verify interchangeability with system specifications before substitution.

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