PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12129Parts Kit,pressure Regulating VA

Fairchild Industrial Products Company · NSN 4820-01-226-1700 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-226-1700 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-226-1700. Primary manufacturer part number: 12129.
Features
  • Parts Kit,pressure Regulating VA — FSC 4820
  • Document Type: PARTS LIST
  • Cubic Measure: 0.50 CUBIC FEET
  • End Item Name: VALVE PRESSURE REGULATING
  • Component Quantity: 5
  • Component Document Page Number: 1
  • Document Identification: MODEL 15 SPRING BIASED RELAY
  • Component Document Origin: INDUSTRIAL
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-226-1700, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Fairchild Industrial Products Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-226-1700
Primary Part Number12129
Item NameParts Kit,pressure Regulating VA
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFairchild Industrial Products Company
StatusACTIVE
Document TypePARTS LIST
Cubic Measure0.50 CUBIC FEET
End Item NameVALVE PRESSURE REGULATING
Component Quantity5
Component Document Page Number1
Document IdentificationMODEL 15 SPRING BIASED RELAY
Component Document OriginINDUSTRIAL
Nonsupply Items and Quantities1 EACH EB-06017 SCREEN; 1 EACH EB-06053 SEAL PLATE GASKET; 1 EACH EB-15074-1 SEAT ASSEMBLY; 1 EACH EB-15075-1 INNER CON. ASSY; 1 EACH EB-16084-1 DIAPHRAGM
End Item Source07282
Model Number15262
Document Source07282
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8498059-9 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
5133-00-227-9671 INTERCHANGEABLE
Drill,twist
6730-00-356-5912 INTERCHANGEABLE
Plunger,reel Arm
3010-00-796-1863 INTERCHANGEABLE
Bellows,pressure
5310-00-808-212712129 INTERCHANGEABLE
Washer,shouldered
Curtiss-Wright Controls Integrated Sensing, Inc.
3010-00-899-096812129 INTERCHANGEABLE
Bellows,pressure
Senior Operations Llc Dba Metal Bellows Div Metal Bellows
2995-01-029-025012129 INTERCHANGEABLE
Ring Assy,matched
Pacific Piston Ring Co Inc
5920-01-053-0986 INTERCHANGEABLE
Fuse,cartridge
5935-01-062-3399121-29 INTERCHANGEABLE
Connector,receptacle,electrical
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
5970-01-103-6930 INTERCHANGEABLE
Insulator
Cross-Reference Index
Part NumberManufacturer
12129 PRIMARY Fairchild Industrial Products Company (USA)
EA-12129 Fairchild Industrial Products Company (USA)
Related Parts
3110-00-144-8498INTERCHANGEABLE
BEARING,BALL,ANNULAR
059-9
5133-00-227-9671INTERCHANGEABLE
DRILL,TWIST
6730-00-356-5912INTERCHANGEABLE
PLUNGER,REEL ARM
3010-00-796-1863INTERCHANGEABLE
BELLOWS,PRESSURE
5310-00-808-2127INTERCHANGEABLE
WASHER,SHOULDERED
12129
3010-00-899-0968INTERCHANGEABLE
BELLOWS,PRESSURE
12129
2995-01-029-0250INTERCHANGEABLE
RING ASSY,MATCHED
12129
5920-01-053-0986INTERCHANGEABLE
FUSE,CARTRIDGE
5935-01-062-3399INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
121-29
5970-01-103-6930INTERCHANGEABLE
INSULATOR
2920-01-169-8706INTERCHANGEABLE
PARTS KIT,CONNECTOR
5930-01-171-7414INTERCHANGEABLE
SWITCH,PUSH

Frequently Asked Questions

What is NSN 4820-01-226-1700?

NSN 4820-01-226-1700 is a Parts Kit,pressure Regulating VA, manufactured by Fairchild Industrial Products Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-226-1700?

NSN 4820-01-226-1700 has 2 cross-referenced part numbers: 12129 (Fairchild Industrial Products Company), EA-12129 (Fairchild Industrial Products Company).

What NSN replaces 4820-01-226-1700?

There are 12 known substitutes for 4820-01-226-1700: 3110-00-144-8498, 5133-00-227-9671, 6730-00-356-5912 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12129?

Key specifications for 12129: Document Type: PARTS LIST; Cubic Measure: 0.50 CUBIC FEET; End Item Name: VALVE PRESSURE REGULATING; Component Quantity: 5. 12 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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